A train runs on the Shenyang-Chengde section of the Beijing-Harbin high-speed railway in Chengde, north China's Hebei Province, Dec. 29, 2018. 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/Wang Liqun)