FCAB railway crossing the 35 kilometers (22 mi) long route over the west side of the Ascotán salt flat, southwestern Bolivia. The train covers the route Antofagasta - Calama - Ollagüe - Uyuni - La Paz, from 0 metres over the sea level in the coastal city of Antofagasta to over 4,500 metres (14,800 ft) in the area where the picture was taken (exactly in Collahuasi) and has a total length of 1,537 km (955 mi). The locomotives have engines EMD GT22CU-3 2406, Clyde GL26C-2 2009 and Clyde GL26C-2 2004 whereas the Ascotán salt flat has a surface of 246 square kilometers (95 sq mi)..
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