In this aerial photo taken on Aug. 25, 2018, workers set up girders for the Chanpan bridge which is part of the Yinchuan-Xi'an high-speed railway in Qingyang, northwest China's Gansu Province. China plans to build 3,200 km of new high-speed railways in 2019, with the total length expected to exceed 30,000 km, Lu Dongfu, general manager of the China Railway (CR), told a work conference Wednesday. (Xinhua/Guo Xulei)