The Qinghai-Tibet railway is a high-altitude railway that connects Xining, Qinghai Province, to Lhasa, Tibet Autonomous Region, in People's Republic of China. The total length of the railway is 1,956 km. Construction of the 815 km section between Xining and Golmud was completed by 1984. The 1,142 km section between Golmud and Lhasa was completed on 1 July 2006. [File photo]