In this aerial photo taken on April 1, 2019, a Jinan Metro Line 1 train runs on an elevated track in the southern suburb of Jinan, east China's Shandong Province. Commercial operation of Jinan Metro Line 1 started on Monday. (Xinhua)
Jinan Metro Line 1 starts commercial operation in China's Shandong
Source: Xinhua| 2019-04-01 22:10:58|Editor: Shi Yinglun
