Line 7 of Chengdu metro system begins trail operation
2017-12-07 09:24:00

Passengers take pictures on a train running on Line 7 of the metro system in Chengdu, capital of southwest China's Sichuan Province, Dec. 6, 2017. Line 7 of Chengdu metro system began its trail operation here Wednesday. (Xinhua/Zhang Fan)

Source: english.news.cn Editor: Nicky