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Workers build the Liquan South Railway Station on the Yinchuan-Xi'an high-speed railway in Liquan County of northwest China's Shaanxi Province, June 26, 2018. The 618-kilometer high-speed railway is scheduled to start operation by the end of 2020, and will reduce travel time between Yinchuan in Ningxia Hui Autonomous Region and Xi'an in Shaanxi Province to about three hours. (Xinhua/Zhang Bowen)