A maintenance garage for subway trains of Yanfang Line is seen 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)
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A maintenance garage for subway trains of Yanfang Line is seen 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)
