Addis Ababa vs Río Otún

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Addis Ababa (Amharic: አዲስ አበባ, Addis Abäba IPA: [adˈdis ˈabəba] (listen),"new flower"), also known as Finfinne(Oromo: Finfinne"natural spring"), is the capital and largest city of Ethiopia. According to the 2007 census, the town has a population of 2,739,551 inhabitants. As a chartered city, Addis Ababa also functions as the capital city of the Oromia Region. It is where the African Union is headquartered and where its predecessor the Organisation of African Unity (OAU) was established. It also hosts the headquarters of the United Nations Economic Commission for Africa (ECA), in addition to various other continental and worldwide organizations.

Addis Ababa is therefore often referred to as"the political capital of Africa" for its historical, diplomatic and political significance for the continent. The town lies a few miles west of the East African Rift which divides Ethiopia into 2, involving the Nubian Plate and the Somali Plate. The city is surrounded by the Special Zone of Oromia and inhabited by people from different areas of Ethiopia. It is home to Addis Ababa University.

Source: Wikipedia

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The Otún River (Río Otún) is a river in the Risaralda department of Colombia. Its source is Lake Otún, fed by meltwater from Nevado Santa Isabel, and its outlet is the Cauca River. The Otún River passes between the cities of Pereira and Dosquebradas, and is crossed at that point by the César Gaviria Trujillo Viaduct, one of the largest cable-stayed bridges in South America. The Otún River is the only source of drinking water for Pereira and Dosquebradas.

The local water company takes about 1.8 cubic metres per second (64 cu ft/s) from the river at a site known as Nuevo Libaré. Agricultural development in that region has affected the quality of the water from the river, with pig and chicken farms as well as human waste water being major sources of bacteriological contamination.[1]The river passes through several protected zones including the Otún Quimbaya Flora and Fauna Sanctuary.

Source: Wikipedia