Khorramabad vs Valley

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Khorramabad pronunciation (Persian: خرم‌آباد‎ or KhorMoa as local say - also Romanized as Khorramābād, Khoramabad, Khurramabad, Khorram Abad and occasionally Khur Ramābād) is a city and the capital of Lorestan Province, Iran. At the time of the 2006 census, its population was 328,544, in 75,945 families. Khorramabad is situated on the Zagros Mountains. Khorramabad Airport is 3 km south of the city proper. The city population is predominantly Lur and Lak, although the two groups are closely related.

Although not a major tourist destination, it is quite scenic and possesses several attractions, such as five Paleolithic cave-dwelling sites. In the city center, a tall citadel called Falak-ol-Aflak (The Heaven of Heavens), a relic of the Sassanid era, is now a nationally popular museum. Economically, it is the regional base of the agricultural industry.

Source: Wikipedia

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A valley is an elongated low area often running between hills or mountains which will typically contain a river or stream running from one end to the other. Most valleys are formed by erosion of the land surface by rivers or streams over a very long period of time. Some valleys are formed through erosion by glacial ice. These glaciers may remain present in valleys in high mountain or polar areas. At lower latitudes and latitudes, these glacially-formed valleys may have been created or enlarged during ice ages but now be ice-free and occupied by streams or rivers.

In desert areas, valleys may be entirely dry or carry a watercourse only rarely. In areas of limestone bedrock, dry valleys may also result from drainage taking place underground rather than at the surface. Rift valleys arise principally from earth movements, rather than erosion. Many different types of valley are described by geographers, using terms that may be global in use or else applied only locally.

Source: Wikipedia