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Workers tie up loose end of the autopilot subway train for the Yanfang Line of Beijing Subway at Changchun Railway Vehicles Co., Ltd in Changchun, capital of northeast China's Jilin Province, Oct. 15, 2015. The first autopilot subway train independently developed by China has come off the assembly line recently. It can automatically operate and recover during breakdowns. (Xinhua/Xu Chang)
