Combo photo shows constructors celebrating the completion of a tunnel on the Lhasa-Nyingchi railway (top L, taken on April 7, 2018), constructors working in a tunnel (bottom L, taken on May 16, 2016), constructors examining the wall rock in a tunnel (top R, taken on April 7, 2018) and security conductors directing traffic outside a tunnel (bottom R, taken on May 15, 2016) in southwest China's Tibet Autonomous Region. The first electrified railway in southwest China's Tibet Autonomous Region opened Friday morning, linking regional capital Lhasa with the city of Nyingchi, as "Fuxing" bullet trains enter official operation on the plateau region. With a length of 435 km and a designed speed of 160 km per hour, the new railway is a single-line electrified railway. (Xinhua/Zhang Rufeng)
