A driverless train on the Metro Line 9 in Chengdu City, Sichuan Province, Feb. 19, 2019. The automated train, which is 185 meters long and three meters wide, can carry up to 3,496 passengers. (Photo: China News Service/Liu Zhongjun)
A driverless train on the Metro Line 9 in Chengdu City, Sichuan Province, Feb. 19, 2019. The automated train, which is 185 meters long and three meters wide, can carry up to 3,496 passengers. (Photo: China News Service/Liu Zhongjun)
A driverless train on the Metro Line 9 in Chengdu City, Sichuan Province, Feb. 19, 2019. The automated train, which is 185 meters long and three meters wide, can carry up to 3,496 passengers. (Photo: China News Service/Liu Zhongjun)
A driverless train on the Metro Line 9 in Chengdu City, Sichuan Province, Feb. 19, 2019. The automated train, which is 185 meters long and three meters wide, can carry up to 3,496 passengers. (Photo: China News Service/Liu Zhongjun)
A driverless train on the Metro Line 9 in Chengdu City, Sichuan Province, Feb. 19, 2019. The automated train, which is 185 meters long and three meters wide, can carry up to 3,496 passengers. (Photo: China News Service/Liu Zhongjun)
