Workers lay rail tracks along the Sichuan segment of Xi'an-Chengdu Passenger Railway at a railway station in Jiangyou, southwest China's Sichuan Province, March 29, 2017. The Xi'an-Chengdu Passenger Railway is the first high-speed railway travelling through the Qinling Mountains with projected speed of 250 kilometers per hour. (Xinhua/Xue Yubin)
