Photo taken on Dec. 25, 2016 shows the Bailongjiang Bridge (R) of Lanzhou-Chongqing railway line in Longnan, northwest China's Gansu Province. The Minxian-Guangyuan section of Lanzhou-Chongqing railway line was put into operation on Monday. (Xinhua/Chen Bin)
Attendants work at Longnan Railway Station in Longnan, northwest China's Gansu Province, Dec. 26, 2016. The Minxian-Guangyuan section of Lanzhou-Chongqing railway line was put into operation on Monday. (Xinhua/Chen Bin)
Passengers get on a train at Longnan Railway Station in Longnan, northwest China's Gansu Province, Dec. 26, 2016. The Minxian-Guangyuan section of Lanzhou-Chongqing railway line was put into operation on Monday. (Xinhua/Chen Bin)
Photo taken on Dec. 25, 2016 shows the Hanwang Bridge (R) of Lanzhou-Chongqing railway line in Longnan, northwest China's Gansu Province. The Minxian-Guangyuan section of Lanzhou-Chongqing railway line was put into operation on Monday. (Xinhua/Chen Bin)
