Río Otún vs Querétaro

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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

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Querétaro, formally Querétaro de Arteaga (Spanish pronunciation: [keˈɾetaɾo]), officially the Free and Sovereign State of Querétaro (Spanish: Estado Libre y Soberano de Querétaro; Otomi: Hyodi Ndämxei),), is one of the 32 federal entities of Mexico. It is divided into 18 municipalities. Its capital city is Santiago de Querétaro. It is located in North-Central Mexico, in a region known as Bajío. It is bordered by the states of San Luis Potosí to the north, Guanajuato to the west, Hidalgo to the east, México to the southeast and Michoacán to the southwest. The state is one of the smallest in Mexico, but it is also one of the most heterogeneous geographically, with ecosystems varying from deserts to tropical rainforest, especially in the Sierra Gorda, which is filled with microecosystems.

The area of the state was located on the northern edge of Mesoamerica, with both the Purépecha Empire and Aztec Empire having influence in the extreme south, but neither really dominating it. The area, especially the Sierra Gorda, had a number of small city-states, but by the time the Spanish arrived, these had all been abandoned, with only small agricultural villages and seminomadic peoples inhabiting the area. Spanish conquest was focused on the establishment of the Santiago de Querétaro, which still dominates the state culturally, economically and educationally.

Source: Wikipedia