A subway train of Yanfang Line is on a test run in Beijing, capital of China, June 15, 2017. The Yanfang Line of Beijing Subway will be operational by the end of 2017 with fully autopilot system. (Xinhua/Zhang Chenlin)
RIGHT BG
A subway train of Yanfang Line is on a test run in Beijing, capital of China, June 15, 2017. The Yanfang Line of Beijing Subway will be operational by the end of 2017 with fully autopilot system. (Xinhua/Zhang Chenlin)
