Lines of high-speed trains are parked on tracks awaiting checks in Southwest China’s Chongqing Municipality, Feb. 6, 2017. All fast trains were required to undergo maintenance after 2am during the Spring Festival travel rush. (Photo/CFP)
Lines of high-speed trains are parked on tracks awaiting checks in Southwest China’s Chongqing Municipality, Feb. 6, 2017. All fast trains were required to undergo maintenance after 2am during the Spring Festival travel rush. (Photo/CFP)
Lines of high-speed trains are parked on tracks awaiting checks in Southwest China’s Chongqing Municipality, Feb. 6, 2017. All fast trains were required to undergo maintenance after 2am during the Spring Festival travel rush. (Photo/CFP)
