140-kph subway trains unveiled in Chendu(1/4)

Photo shows the new subway trains with a top speed of 140 km/h in Chengdu, Sichuan Province, June 13, 2019. (Photo/China News Service)

Photo shows the interior of the new subway trains with a top speed of 140 km/h in Chengdu, Sichuan Province, June 13, 2019. (Photo/China News Service)

Photo shows the new subway trains with a top speed of 140 km/h in Chengdu, Sichuan Province, June 13, 2019. (Photo/China News Service)

Photo shows the new subway train with a top speed of 140 km/h in Chengdu, Sichuan Province, June 13, 2019. (Photo/China News Service)