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Index Qanat

A qanāt (قنات) is a gently sloping underground channel to transport water from an aquifer or water well to surface for irrigation and drinking. [1]

151 relations: Ab anbar, Acequia, Afghanistan, Al Ain, Algeria, Allen & Unwin, Alluvial fan, Alps, Alzette, Ancient Rome, Andalusia, Andrew Wilson (classical archaeologist), Anthony Smith (explorer), Aquifer, Arid, Armenia, Army Geospatial Center, Atlas Mountains, Azerbaijan, Balochi language, Balochistan, Pakistan, Bernoulli's principle, Bureau of Population, Refugees, and Migration, Callisthenes, Canadian International Development Agency, Capital city, Central Asia, Chagai District, China, Claudius, Dari language, David Mattingly (author), Districts of Pakistan, Draa River, Emirate of Sicily, Erbil Governorate, European Commission, Evaporation, Fucine Lake, Gadara Aqueduct, Gallo-Roman culture, Garamantes, Germa, Gifu Prefecture, Gonabad, Granada, Gravity, Hadrian, Han dynasty, Haratin, ..., Hellenistic period, Helmsange, History of Iran, History of water supply and sanitation, Iberian Peninsula, International Council on Monuments and Sites, Iran, Irrigation, Java, Jerusalem, John Peter Oleson, Jordan, JSTOR, Kahn, Karasahr, Kaveh Madani, Kay Khosrow, Kerman, Kharga Oasis, Khorasan Province, Korea International Cooperation Agency, Korla, Latent heat, Libya, List of protected areas of China, Luxembourg, Madrid, Maidan Wardak Province, Menara gardens, Mie Prefecture, Moors, Morocco, Nakhchivan Autonomous Republic, National Library of Iran, Niavaran, Nizwa, North Africa, Northern Silk Road, Nowruz, Oasis, Oklahoma State University–Stillwater, Oman, Orographic lift, Pakistan, Palermo, Pashto, PDF, Persian language, Persian people, Persian well, Polycrates, Proceedings of the American Philosophical Society, Puquios, Qanat, Qanats of Gonabad, Raschpëtzer Qanat, Razavi Khorasan Province, Roman Empire, Roman villa, Semi-arid climate, Shabestan, Shaft mining, Shvanidzor, Sicily, Soil salinity, Spain, Spirit level, Sulaymaniyah Governorate, Supercritical flow, Swiss Agency for Development and Cooperation, Syunik Province, Tehran, Tepe Sialk, The Wall Street Journal, Traditional water sources of Persian antiquity, Tuat, Tunnel, Tunnel of Eupalinos, Turpan, Turrillas, Tyrant, UNESCO, United Arab Emirates, United Nations Development Programme, United States Army, United States Army Corps of Engineers, Water clock, Water supply, Water table, Water well, Watermill, Weir, Windcatcher, World Heritage site, Xinjiang, Yakhchāl, Yaldā Night, Yazd, Yazd Province, Zhob, Zibad. Expand index (101 more) »

Ab anbar

An āb anbār (آب انبار, literally "water reservoir") is a traditional reservoir or cistern of drinking water in Greater Iran in antiquity.

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An acequia or séquia is a community-operated watercourse used in Spain and former Spanish colonies in the Americas for irrigation.

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Afghanistan (Pashto/Dari:, Pashto: Afġānistān, Dari: Afġānestān), officially the Islamic Republic of Afghanistan, is a landlocked country located within South Asia and Central Asia.

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Al Ain

Al-‘Ain (اَلْـعَـيْـن,, literally The Spring) is a city in the Emirate of Abu Dhabi, the United Arab Emirates.

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Algeria (الجزائر, familary Algerian Arabic الدزاير; ⴷⵣⴰⵢⴻⵔ; Dzayer; Algérie), officially the People's Democratic Republic of Algeria, is a sovereign state in North Africa on the Mediterranean coast.

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Allen & Unwin

Allen & Unwin is an Australian independent publishing company, established in Australia in 1976 as a subsidiary of the British firm George Allen & Unwin Ltd., which was founded by Sir Stanley Unwin in August 1914 and went on to become one of the leading publishers of the twentieth century.

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Alluvial fan

An alluvial fan is a fan- or cone-shaped deposit of sediment crossed and built up by streams.

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The Alps (Alpes; Alpen; Alpi; Alps; Alpe) are the highest and most extensive mountain range system that lies entirely in Europe,The Caucasus Mountains are higher, and the Urals longer, but both lie partly in Asia.

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The Alzette is a river with a length of in France and Luxembourg.

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Ancient Rome

In historiography, ancient Rome is Roman civilization from the founding of the city of Rome in the 8th century BC to the collapse of the Western Roman Empire in the 5th century AD, encompassing the Roman Kingdom, Roman Republic and Roman Empire until the fall of the western empire.

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Andalusia (Andalucía) is an autonomous community in southern Spain.

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Andrew Wilson (classical archaeologist)

Andrew Ian Wilson (born 29 February 1968) is a British classical archaeologist and Head of School of Archaeology at the University of Oxford.

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Anthony Smith (explorer)

Anthony Smith (30 March 1926 – 7 July 2014) was, among other things, a writer, sailor, balloonist and former Tomorrow's World television presenter.

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An aquifer is an underground layer of water-bearing permeable rock, rock fractures or unconsolidated materials (gravel, sand, or silt).

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A region is arid when it is characterized by a severe lack of available water, to the extent of hindering or preventing the growth and development of plant and animal life.

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Armenia (translit), officially the Republic of Armenia (translit), is a country in the South Caucasus region of Eurasia.

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Army Geospatial Center

The Army Geospatial Center (AGC) (formerly Topographic Engineering Center (TEC)) is a Major Subordinate Command of the United States Army Corps of Engineers.

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Atlas Mountains

The Atlas Mountains (jibāl al-ʾaṭlas; ⵉⴷⵓⵔⴰⵔ ⵏ ⵡⴰⵟⵍⴰⵙ, idurar n waṭlas) are a mountain range in the Maghreb.

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No description.

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Balochi language

Balochi (بلؤچی, transliteration: balòči) is the principal language of the Baloch people spoken primarily in Iran, Pakistan and Afghanistan.

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Balochistan, Pakistan

Balochistan (bəloːt͡ʃɪs't̪ɑːn) (بلوچِستان), is one of the five provinces of Pakistan.

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Bernoulli's principle

In fluid dynamics, Bernoulli's principle states that an increase in the speed of a fluid occurs simultaneously with a decrease in pressure or a decrease in the fluid's potential energy.

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Bureau of Population, Refugees, and Migration

The Bureau of Population, Refugees, and Migration (PRM) is a bureau within the United States Department of State.

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Callisthenes of Olynthus ((); Καλλισθένης; c. 360 – 328 BC) was a well-connected Greek historian in Macedon who accompanied Alexander the Great during the Asiatic expedition.

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Canadian International Development Agency

The Canadian International Development Agency (CIDA) was a federal Canadian organization that administered foreign aid programs in developing countries.

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Capital city

A capital city (or simply capital) is the municipality exercising primary status in a country, state, province, or other administrative region, usually as its seat of government.

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Central Asia

Central Asia stretches from the Caspian Sea in the west to China in the east and from Afghanistan in the south to Russia in the north.

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Chagai District

Chagai District Westen Sanjrani Agency (also Chaghi) (ضِلع چاغى), (ضلع چاغی),is the largest district of Pakistan and is located on the north west corner of Balochistan, Pakistan.

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China, officially the People's Republic of China (PRC), is a unitary one-party sovereign state in East Asia and the world's most populous country, with a population of around /1e9 round 3 billion.

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Claudius (Tiberius Claudius Caesar Augustus Germanicus; 1 August 10 BC – 13 October 54 AD) was Roman emperor from 41 to 54.

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Dari language

Darī (دری) or Dari Persian (فارسی دری Fārsī-ye Darī) or synonymously Farsi (فارسی Fārsī) is the variety of the Persian language spoken in Afghanistan.

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David Mattingly (author)

David John Mattingly, FBA (born 18 May 1958) is an archaeologist and historian of the Roman world, who is currently a professor at the University of Leicester.

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Districts of Pakistan

The Districts of Pakistan (اِضلاعِ پاكِستان), are the third-order administrative divisions of Pakistan, below provinces and divisions, but form the first-tier of local government.

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Draa River

The Draa (Asif en Dra, ⴰⵙⵉⴼ ⴻⵏ ⴷⵔⴰ, wad dərʿa; also spelled Dra or Drâa, in older sources mostly Darha or Dara) is Morocco's longest river, at.

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Emirate of Sicily

The Emirate of Sicily (إِمَارَةُ صِقِلِّيَة) was an emirate on the island of Sicily which existed from 831 to 1091.

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Erbil Governorate

Erbil Governorate (Parêzgeha Hewlêr - پارێزگای ھەولێر, ܗܘܦܲܪܟܝܵܐ ܕܐܲܪܒܝܠ, محافظة أربيل Muḥāfaẓat Arbīl), sometimes referred to by the alternative spelling Arbil Governorate, is a governorate in Iraqi Kurdistan.

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European Commission

The European Commission (EC) is an institution of the European Union, responsible for proposing legislation, implementing decisions, upholding the EU treaties and managing the day-to-day business of the EU.

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Evaporation is a type of vaporization that occurs on the surface of a liquid as it changes into the gaseous phase before reaching its boiling point.

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Fucine Lake

The Fucine Lake (Lago Fucino or Lago di Celano) was a large endorheic lake in central Italy, stretching from Avezzano in the northwest to Ortucchio in the southeast, and touching Trasacco in the southwest.

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Gadara Aqueduct

The Gadara Aqueduct, also called Qanat Fir'aun (Pharaoh's Watercourse), was a Roman aqueduct water supply for some of the Decapolis Cities.

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Gallo-Roman culture

The term "Gallo-Roman" describes the Romanized culture of Gaul under the rule of the Roman Empire.

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The Garamantes (possibly from the Berber igherman / iɣerman, meaning: "cities" in modern Berber; or possibly from igerramen meaning "saints, holy/sacred people" in modern Berber) were a Berber tribe, who developed an advanced civilization in ancient southwestern Libya.

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Germa (جرمة), known in ancient times as Garama, is an archaeological site in Libya.

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Gifu Prefecture

is a prefecture in the Chūbu region of central Japan.

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Gonabad (گناباد, also Romanized as Gonābād; also known as Gūnābād; formerly Janābaz) is a city and capital of Gonabad County, in Razavi Khorasan Province, Iran.

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Granada is the capital city of the province of Granada, in the autonomous community of Andalusia, Spain.

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Gravity, or gravitation, is a natural phenomenon by which all things with mass or energy—including planets, stars, galaxies, and even light—are brought toward (or gravitate toward) one another.

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Hadrian (Publius Aelius Hadrianus Augustus; 24 January 76 – 10 July 138 AD) was Roman emperor from 117 to 138.

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Han dynasty

The Han dynasty was the second imperial dynasty of China (206 BC–220 AD), preceded by the Qin dynasty (221–206 BC) and succeeded by the Three Kingdoms period (220–280 AD). Spanning over four centuries, the Han period is considered a golden age in Chinese history. To this day, China's majority ethnic group refers to themselves as the "Han Chinese" and the Chinese script is referred to as "Han characters". It was founded by the rebel leader Liu Bang, known posthumously as Emperor Gaozu of Han, and briefly interrupted by the Xin dynasty (9–23 AD) of the former regent Wang Mang. This interregnum separates the Han dynasty into two periods: the Western Han or Former Han (206 BC–9 AD) and the Eastern Han or Later Han (25–220 AD). The emperor was at the pinnacle of Han society. He presided over the Han government but shared power with both the nobility and appointed ministers who came largely from the scholarly gentry class. The Han Empire was divided into areas directly controlled by the central government using an innovation inherited from the Qin known as commanderies, and a number of semi-autonomous kingdoms. These kingdoms gradually lost all vestiges of their independence, particularly following the Rebellion of the Seven States. From the reign of Emperor Wu (r. 141–87 BC) onward, the Chinese court officially sponsored Confucianism in education and court politics, synthesized with the cosmology of later scholars such as Dong Zhongshu. This policy endured until the fall of the Qing dynasty in 1911 AD. The Han dynasty saw an age of economic prosperity and witnessed a significant growth of the money economy first established during the Zhou dynasty (c. 1050–256 BC). The coinage issued by the central government mint in 119 BC remained the standard coinage of China until the Tang dynasty (618–907 AD). The period saw a number of limited institutional innovations. To finance its military campaigns and the settlement of newly conquered frontier territories, the Han government nationalized the private salt and iron industries in 117 BC, but these government monopolies were repealed during the Eastern Han dynasty. Science and technology during the Han period saw significant advances, including the process of papermaking, the nautical steering ship rudder, the use of negative numbers in mathematics, the raised-relief map, the hydraulic-powered armillary sphere for astronomy, and a seismometer for measuring earthquakes employing an inverted pendulum. The Xiongnu, a nomadic steppe confederation, defeated the Han in 200 BC and forced the Han to submit as a de facto inferior partner, but continued their raids on the Han borders. Emperor Wu launched several military campaigns against them. The ultimate Han victory in these wars eventually forced the Xiongnu to accept vassal status as Han tributaries. These campaigns expanded Han sovereignty into the Tarim Basin of Central Asia, divided the Xiongnu into two separate confederations, and helped establish the vast trade network known as the Silk Road, which reached as far as the Mediterranean world. The territories north of Han's borders were quickly overrun by the nomadic Xianbei confederation. Emperor Wu also launched successful military expeditions in the south, annexing Nanyue in 111 BC and Dian in 109 BC, and in the Korean Peninsula where the Xuantu and Lelang Commanderies were established in 108 BC. After 92 AD, the palace eunuchs increasingly involved themselves in court politics, engaging in violent power struggles between the various consort clans of the empresses and empresses dowager, causing the Han's ultimate downfall. Imperial authority was also seriously challenged by large Daoist religious societies which instigated the Yellow Turban Rebellion and the Five Pecks of Rice Rebellion. Following the death of Emperor Ling (r. 168–189 AD), the palace eunuchs suffered wholesale massacre by military officers, allowing members of the aristocracy and military governors to become warlords and divide the empire. When Cao Pi, King of Wei, usurped the throne from Emperor Xian, the Han dynasty would eventually collapse and ceased to exist.

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Haratin, also referred to as Harratins, Haratine or Hartani, are oasis-dwellers in the Sahara, especially in the Maghreb.

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Hellenistic period

The Hellenistic period covers the period of Mediterranean history between the death of Alexander the Great in 323 BC and the emergence of the Roman Empire as signified by the Battle of Actium in 31 BC and the subsequent conquest of Ptolemaic Egypt the following year.

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Helmsange is a town in the commune of Walferdange, in central Luxembourg.

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History of Iran

The history of Iran, commonly also known as Persia in the Western world, is intertwined with the history of a larger region, also to an extent known as Greater Iran, comprising the area from Anatolia, the Bosphorus, and Egypt in the west to the borders of Ancient India and the Syr Darya in the east, and from the Caucasus and the Eurasian Steppe in the north to the Persian Gulf and the Gulf of Oman in the south.

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History of water supply and sanitation

The history of water supply and sanitation is one of a logistical challenge to provide clean water and sanitation systems since the dawn of civilization.

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Iberian Peninsula

The Iberian Peninsula, also known as Iberia, is located in the southwest corner of Europe.

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International Council on Monuments and Sites

The International Council on Monuments and Sites (ICOMOS; Conseil international des monuments et des sites) is a professional association that works for the conservation and protection of cultural heritage places around the world.

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Iran (ایران), also known as Persia, officially the Islamic Republic of Iran (جمهوری اسلامی ایران), is a sovereign state in Western Asia. With over 81 million inhabitants, Iran is the world's 18th-most-populous country. Comprising a land area of, it is the second-largest country in the Middle East and the 17th-largest in the world. Iran is bordered to the northwest by Armenia and the Republic of Azerbaijan, to the north by the Caspian Sea, to the northeast by Turkmenistan, to the east by Afghanistan and Pakistan, to the south by the Persian Gulf and the Gulf of Oman, and to the west by Turkey and Iraq. The country's central location in Eurasia and Western Asia, and its proximity to the Strait of Hormuz, give it geostrategic importance. Tehran is the country's capital and largest city, as well as its leading economic and cultural center. Iran is home to one of the world's oldest civilizations, beginning with the formation of the Elamite kingdoms in the fourth millennium BCE. It was first unified by the Iranian Medes in the seventh century BCE, reaching its greatest territorial size in the sixth century BCE, when Cyrus the Great founded the Achaemenid Empire, which stretched from Eastern Europe to the Indus Valley, becoming one of the largest empires in history. The Iranian realm fell to Alexander the Great in the fourth century BCE and was divided into several Hellenistic states. An Iranian rebellion culminated in the establishment of the Parthian Empire, which was succeeded in the third century CE by the Sasanian Empire, a leading world power for the next four centuries. Arab Muslims conquered the empire in the seventh century CE, displacing the indigenous faiths of Zoroastrianism and Manichaeism with Islam. Iran made major contributions to the Islamic Golden Age that followed, producing many influential figures in art and science. After two centuries, a period of various native Muslim dynasties began, which were later conquered by the Turks and the Mongols. The rise of the Safavids in the 15th century led to the reestablishment of a unified Iranian state and national identity, with the country's conversion to Shia Islam marking a turning point in Iranian and Muslim history. Under Nader Shah, Iran was one of the most powerful states in the 18th century, though by the 19th century, a series of conflicts with the Russian Empire led to significant territorial losses. Popular unrest led to the establishment of a constitutional monarchy and the country's first legislature. A 1953 coup instigated by the United Kingdom and the United States resulted in greater autocracy and growing anti-Western resentment. Subsequent unrest against foreign influence and political repression led to the 1979 Revolution and the establishment of an Islamic republic, a political system that includes elements of a parliamentary democracy vetted and supervised by a theocracy governed by an autocratic "Supreme Leader". During the 1980s, the country was engaged in a war with Iraq, which lasted for almost nine years and resulted in a high number of casualties and economic losses for both sides. According to international reports, Iran's human rights record is exceptionally poor. The regime in Iran is undemocratic, and has frequently persecuted and arrested critics of the government and its Supreme Leader. Women's rights in Iran are described as seriously inadequate, and children's rights have been severely violated, with more child offenders being executed in Iran than in any other country in the world. Since the 2000s, Iran's controversial nuclear program has raised concerns, which is part of the basis of the international sanctions against the country. The Joint Comprehensive Plan of Action, an agreement reached between Iran and the P5+1, was created on 14 July 2015, aimed to loosen the nuclear sanctions in exchange for Iran's restriction in producing enriched uranium. Iran is a founding member of the UN, ECO, NAM, OIC, and OPEC. It is a major regional and middle power, and its large reserves of fossil fuels – which include the world's largest natural gas supply and the fourth-largest proven oil reserves – exert considerable influence in international energy security and the world economy. The country's rich cultural legacy is reflected in part by its 22 UNESCO World Heritage Sites, the third-largest number in Asia and eleventh-largest in the world. Iran is a multicultural country comprising numerous ethnic and linguistic groups, the largest being Persians (61%), Azeris (16%), Kurds (10%), and Lurs (6%).

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Irrigation is the application of controlled amounts of water to plants at needed intervals.

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Java (Indonesian: Jawa; Javanese: ꦗꦮ; Sundanese) is an island of Indonesia.

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Jerusalem (יְרוּשָׁלַיִם; القُدس) is a city in the Middle East, located on a plateau in the Judaean Mountains between the Mediterranean and the Dead Sea.

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John Peter Oleson

John Peter Oleson (born 1946) is a Canadian classical archaeologist and historian of ancient technology.

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Jordan (الْأُرْدُنّ), officially the Hashemite Kingdom of Jordan (المملكة الأردنية الهاشمية), is a sovereign Arab state in Western Asia, on the East Bank of the Jordan River.

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JSTOR (short for Journal Storage) is a digital library founded in 1995.

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Kahn is a surname of German origin.

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Karasahr or Karashar (Chinese 焉耆), which was originally known, in the Tocharian languages as Ārśi (or Arshi) and Agni, or the Chinese derivative Yānqí 焉耆 (Wade–Giles Yen-ch’i), is an ancient town on the Silk Road and the capital of Yanqi Hui Autonomous County in the Bayin'gholin Mongol Autonomous Prefecture, Xinjiang, in northwestern China.

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Kaveh Madani

Kaveh Madani (کاوه مدنی.) is an Iranian scientist and environmental activist.

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Kay Khosrow

Kay Khosrow (کیخسرو) is a legendary king of Iran of Kayanian dynasty and a character in the Persian epic book, Shahnameh.

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Kerman (كرمان, also Romanized as Kermān, Kermun, and Kirman; also known as Carmania) is the capital city of Kerman Province, Iran.

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Kharga Oasis

The Kharga Oasis (الخارجة), (meaning "the outer") is the southernmost of Egypt's five western oases.

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Khorasan Province

Khorasan (استان خراسان) (also transcribed as Khurasan and Khorassan, also called Traxiane during Hellenistic and Parthian times) was a province in north eastern Iran, but historically referred to a much larger area east and north-east of the Persian Empire.

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Korea International Cooperation Agency

The Korea International Cooperation Agency (KOICA, Korean: 한국국제협력단, Hanja: 韓國國際協力團) was established in 1991 by the South Korean Ministry of Foreign Affairs and Trade as a governmental organization for Official Development Assistance (ODA) to enhance the effectiveness of South Korea's grant aid programs for developing countries by implementing the government's grant aid and technical cooperation programs.

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Korla, Kurla, or Kuerle (ᠬᠣᠷᠣᠯ;; كورلا, Корла, lit. Krorain) is a mid-sized city in central Xinjiang, and is, administratively, a county-level city and the seat of the Bayin'gholin Mongol Autonomous Prefecture, which is larger than Great Britain and is the largest Chinese prefecture.

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Latent heat

Latent heat is thermal energy released or absorbed, by a body or a thermodynamic system, during a constant-temperature process — usually a first-order phase transition.

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Libya (ليبيا), officially the State of Libya (دولة ليبيا), is a sovereign state in the Maghreb region of North Africa, bordered by the Mediterranean Sea to the north, Egypt to the east, Sudan to the southeast, Chad and Niger to the south and Algeria and Tunisia to the west.

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List of protected areas of China

This is a list of the nationally protected areas of China.

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Luxembourg (Lëtzebuerg; Luxembourg, Luxemburg), officially the Grand Duchy of Luxembourg, is a landlocked country in western Europe.

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Madrid is the capital of Spain and the largest municipality in both the Community of Madrid and Spain as a whole.

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Maidan Wardak Province

Maidan Wardak Province (د ميدان وردگ ولايت, ولایت میدان وردک), also called Maidan Wardag or simply Wardak Province, is one of the 34 provinces of Afghanistan, located in the central east region of Afghanistan.

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Menara gardens

The Menara gardens (حدائق المنارة) are botanical gardens located to the west of Marrakech, Morocco, near the Atlas Mountains.

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Mie Prefecture

is a prefecture of Japan, which is part of the Kansai region on the main Honshu island.

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The term "Moors" refers primarily to the Muslim inhabitants of the Maghreb, the Iberian Peninsula, Sicily, Sardinia, Corsica, and Malta during the Middle Ages.

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Morocco (officially known as the Kingdom of Morocco, is a unitary sovereign state located in the Maghreb region of North Africa. It is one of the native homelands of the indigenous Berber people. Geographically, Morocco is characterised by a rugged mountainous interior, large tracts of desert and a lengthy coastline along the Atlantic Ocean and Mediterranean Sea. Morocco has a population of over 33.8 million and an area of. Its capital is Rabat, and the largest city is Casablanca. Other major cities include Marrakesh, Tangier, Salé, Fes, Meknes and Oujda. A historically prominent regional power, Morocco has a history of independence not shared by its neighbours. Since the foundation of the first Moroccan state by Idris I in 788 AD, the country has been ruled by a series of independent dynasties, reaching its zenith under the Almoravid dynasty and Almohad dynasty, spanning parts of Iberia and northwestern Africa. The Marinid and Saadi dynasties continued the struggle against foreign domination, and Morocco remained the only North African country to avoid Ottoman occupation. The Alaouite dynasty, the current ruling dynasty, seized power in 1631. In 1912, Morocco was divided into French and Spanish protectorates, with an international zone in Tangier, and regained its independence in 1956. Moroccan culture is a blend of Berber, Arab, West African and European influences. Morocco claims the non-self-governing territory of Western Sahara, formerly Spanish Sahara, as its Southern Provinces. After Spain agreed to decolonise the territory to Morocco and Mauritania in 1975, a guerrilla war arose with local forces. Mauritania relinquished its claim in 1979, and the war lasted until a cease-fire in 1991. Morocco currently occupies two thirds of the territory, and peace processes have thus far failed to break the political deadlock. Morocco is a constitutional monarchy with an elected parliament. The King of Morocco holds vast executive and legislative powers, especially over the military, foreign policy and religious affairs. Executive power is exercised by the government, while legislative power is vested in both the government and the two chambers of parliament, the Assembly of Representatives and the Assembly of Councillors. The king can issue decrees called dahirs, which have the force of law. He can also dissolve the parliament after consulting the Prime Minister and the president of the constitutional court. Morocco's predominant religion is Islam, and the official languages are Arabic and Berber, with Berber being the native language of Morocco before the Arab conquest in the 600s AD. The Moroccan dialect of Arabic, referred to as Darija, and French are also widely spoken. Morocco is a member of the Arab League, the Union for the Mediterranean and the African Union. It has the fifth largest economy of Africa.

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Nakhchivan Autonomous Republic

The Nakhchivan Autonomous Republic (Naxçıvan Muxtar Respublikası) is a landlocked exclave of the Republic of Azerbaijan.

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National Library of Iran

The National Library of Iran (NLI) is located in Tehran, Iran, with several branches scattered throughout the city.

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Niavaran (نياوران) is a affluent and upperclass district in the north of Tehran's foothills.

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Nizwa (نزوى Nizwā) is the largest city in the Ad Dakhiliyah Region in Oman and was the capital of Oman proper.

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North Africa

North Africa is a collective term for a group of Mediterranean countries and territories situated in the northern-most region of the African continent.

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Northern Silk Road

The Northern Silk Road is a prehistoric trackway in northern China originating in the early capital of Xi'an and extending north of the Taklamakan Desert to reach the ancient kingdoms of Parthia, Bactria and eventually Persia and Rome.

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Nowruz (نوروز,; literally "new day") is the name of the Iranian New Year, also known as the Persian New Year, which is celebrated worldwide by various ethno-linguistic groups as the beginning of the New Year.

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In geography, an oasis (plural: oases) is an isolated area in a desert, typically surrounding a spring or similar water source, such as a pond or small lake.

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Oklahoma State University–Stillwater

Oklahoma State University (also referred to informally as Oklahoma State, OKState, and OSU), is a land-grant, sun-grant, coeducational public research university located in Stillwater, Oklahoma, United States.

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Oman (عمان), officially the Sultanate of Oman (سلطنة عُمان), is an Arab country on the southeastern coast of the Arabian Peninsula in Western Asia.

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Orographic lift

Orographic lift occurs when an air mass is forced from a low elevation to a higher elevation as it moves over rising terrain.

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Pakistan (پاکِستان), officially the Islamic Republic of Pakistan (اِسلامی جمہوریہ پاکِستان), is a country in South Asia.

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Palermo (Sicilian: Palermu, Panormus, from Πάνορμος, Panormos) is a city of Southern Italy, the capital of both the autonomous region of Sicily and the Metropolitan City of Palermo.

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Pashto (پښتو Pax̌tō), sometimes spelled Pukhto, is the language of the Pashtuns.

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The Portable Document Format (PDF) is a file format developed in the 1990s to present documents, including text formatting and images, in a manner independent of application software, hardware, and operating systems.

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Persian language

Persian, also known by its endonym Farsi (فارسی), is one of the Western Iranian languages within the Indo-Iranian branch of the Indo-European language family.

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Persian people

The Persians--> are an Iranian ethnic group that make up over half the population of Iran.

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Persian well

A Persian well is a type of water well found in the Middle East, often used in conjunction with a qanat.

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Polycrates (Πολυκράτης, in English usually Polycrates but sometimes Polykrates), son of Aeaces, was the tyrant of Samos from c. 538 BC to 522 BC.

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Proceedings of the American Philosophical Society

Proceedings of the American Philosophical Society is a quarterly philosophy peer-reviewed journal published by the American Philosophical Society since 1838.

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The puquios are an old system of subterranean aqueducts near the city of Nazca, Peru.

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A qanāt (قنات) is a gently sloping underground channel to transport water from an aquifer or water well to surface for irrigation and drinking.

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Qanats of Gonabad

Ghasabe Qanats of Gonabad (Persian: قنات قصبه گناباد) also is called kariz Kai Khosrow is one of the oldest and largest qanats in the world built between 700 BC to 500 BC.

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Raschpëtzer Qanat

The Raschpëtzer Qanat is located NE of Helmsange in the commune of Walferdange, 10 km north of the City of Luxembourg.

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Razavi Khorasan Province

Razavi Khorasan Province (استان خراسان رضوی, Ostâne Xorâsâne Razavi) is a province located in northeastern Iran.

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Roman Empire

The Roman Empire (Imperium Rōmānum,; Koine and Medieval Greek: Βασιλεία τῶν Ῥωμαίων, tr.) was the post-Roman Republic period of the ancient Roman civilization, characterized by government headed by emperors and large territorial holdings around the Mediterranean Sea in Europe, Africa and Asia.

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Roman villa

A Roman villa was a country house built for the upper class in the Roman Republic and the Roman Empire, similar in form to the hacienda estates in the colonies of the Spanish Empire.

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Semi-arid climate

A semi-arid climate or steppe climate is the climate of a region that receives precipitation below potential evapotranspiration, but not as low as a desert climate.

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A shabestan or shabistan (شبستان; Old Persian xšapā.stāna) is an underground space that can be usually found in traditional architecture of mosques, houses, and schools in ancient Iran.

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Shaft mining

Shaft mining or shaft sinking is excavating a vertical or near-vertical tunnel from the top down, where there is initially no access to the bottom.

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Shvanidzor (Շվանիձոր,; also Astazur or Shvandor) is a village and rural community (municipality) in the South-East of Armenia in Syunik province (marz).

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Sicily (Sicilia; Sicìlia) is the largest island in the Mediterranean Sea.

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Soil salinity

Soil salinity is the salt content in the soil; the process of increasing the salt content is known as salinization.

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Spain (España), officially the Kingdom of Spain (Reino de España), is a sovereign state mostly located on the Iberian Peninsula in Europe.

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Spirit level

A spirit level, bubble level or simply a level is an instrument designed to indicate whether a surface is horizontal (level) or vertical (plumb).

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Sulaymaniyah Governorate

Sulaymaniyah Governorate (پارێزگای سلێمانی., محافظة السليمانية.) or Sulaymaniyah Province is a mountainous governorate in Iraqi Kurdistan.

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Supercritical flow

A supercritical flow is a flow whose velocity is larger than the wave velocity.

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Swiss Agency for Development and Cooperation

The Swiss Agency for Development and Cooperation (SDC) is an office-level agency in the federal administration of Switzerland, and a part of the Federal Department of Foreign Affairs.

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Syunik Province

Syunik (Սյունիք), is the southernmost province of Armenia.

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Tehran (تهران) is the capital of Iran and Tehran Province.

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Tepe Sialk

Tepe Sialk (تپه سیلک) is a large ancient archeological site (a tepe, "hill" or "mound") in a suburb of the city of Kashan, Isfahan Province, in central Iran, close to Fin Garden.

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The Wall Street Journal

The Wall Street Journal is a U.S. business-focused, English-language international daily newspaper based in New York City.

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Traditional water sources of Persian antiquity

Most rivers in Iran are seasonal and have traditionally not been able to supply the needs of urban settlements.

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Tuat, or Touat (Berber: ⵜⵓⵡⴰⵜ, Tuwat), is a natural region of desert in central Algeria that contains a string of small oases.

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A tunnel is an underground passageway, dug through the surrounding soil/earth/rock and enclosed except for entrance and exit, commonly at each end.

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Tunnel of Eupalinos

The Tunnel of Eupalinos or Eupalinian aqueduct (in Greek: Efpalinion orygma - Ευπαλίνιον όρυγμα) is a tunnel of length in Samos, Greece, built in the 6th century BC to serve as an aqueduct.

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Turpan, also known as Turfan or Tulufan, is a prefecture-level city located in the east of Xinjiang, People's Republic of China.

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Turrillas is a municipality of Almería province, in the autonomous community of Andalusia, Spain.

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A tyrant (Greek τύραννος, tyrannos), in the modern English usage of the word, is an absolute ruler unrestrained by law or person, or one who has usurped legitimate sovereignty.

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The United Nations Educational, Scientific and Cultural Organization (UNESCO; Organisation des Nations unies pour l'éducation, la science et la culture) is a specialized agency of the United Nations (UN) based in Paris.

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United Arab Emirates

The United Arab Emirates (UAE; دولة الإمارات العربية المتحدة), sometimes simply called the Emirates (الإمارات), is a federal absolute monarchy sovereign state in Western Asia at the southeast end of the Arabian Peninsula on the Persian Gulf, bordering Oman to the east and Saudi Arabia to the south, as well as sharing maritime borders with Qatar to the west and Iran to the north.

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United Nations Development Programme

The United Nations Development Programme (UNDP) is the United Nations' global development network.

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United States Army

The United States Army (USA) is the land warfare service branch of the United States Armed Forces.

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United States Army Corps of Engineers

The United States Army Corps of Engineers (USACE) is a U.S. federal agency under the Department of Defense and a major Army command made up of some 37,000 civilian and military personnel, making it one of the world's largest public engineering, design, and construction management agencies.

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Water clock

A water clock or clepsydra (Greek κλεψύδρα from κλέπτειν kleptein, 'to steal'; ὕδωρ hydor, 'water') is any timepiece in which time is measured by the regulated flow of liquid into (inflow type) or out from (outflow type) a vessel where the amount is then measured.

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Water supply

Water supply is the provision of water by public utilities commercial organisations, community endeavors or by individuals, usually via a system of pumps and pipes.

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Water table

The water table is the upper surface of the zone of saturation.

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Water well

A water well is an excavation or structure created in the ground by digging, driving, boring, or drilling to access groundwater in underground aquifers.

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A watermill or water mill is a mill that uses hydropower.

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A weir or low head dam is a barrier across the horizontal width of a river that alters the flow characteristics of water and usually results in a change in the height of the river level.

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A windtower (wind catcher) (بادگیر bâdgir: bâd "wind" + gir "catcher") is a traditional Persian architectural element to create natural ventilation in buildings.

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World Heritage site

A World Heritage site is a landmark or area which is selected by the United Nations Educational, Scientific and Cultural Organization (UNESCO) as having cultural, historical, scientific or other form of significance, and is legally protected by international treaties.

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Xinjiang Uyghur Autonomous Region (شىنجاڭ ئۇيغۇر ئاپتونوم رايونى; SASM/GNC: Xinjang Uyĝur Aptonom Rayoni; p) is a provincial-level autonomous region of China in the northwest of the country.

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Yakhchāl (یخچال "ice pit"; yakh meaning "ice" and chāl meaning "pit") is an ancient type of evaporative cooler.

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Yaldā Night

Shab-e Yalda ("Yalda night" شب یلدا) or Shab-e Chelleh ("night of forty", شب چله) is an Iranian festival celebrated on the "longest and darkest night of the year," Yalda is a winter solstice celebration, that is, in the night of the Northern Hemisphere's winter solstice.

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Yazd (یزد), formerly also known as Yezd, is the capital of Yazd Province, Iran.

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Yazd Province

Yazd Province (استان یزد, Ostān-e Yazd) is one of the 31 provinces of Iran.

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Zhob (Pashto and), formerly known as Fort Sandeman or Appozai, is a city and district capital of Zhob District in Balochistan province of Pakistan.

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Zibad (زيبَد, also Romanized as Zībad) is a village in Zibad Rural District, Kakhk District, Gonabad County, Razavi Khorasan Province, Iran.

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[1] https://en.wikipedia.org/wiki/Qanat

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