City railway S1 line to be put into trial operation in Wenzhou, E China

A train is seen in a test run on the city railway S1 line in Wenzhou, east China's Zhejiang Province, Jan. 17, 2019. The city railway S1 line, based on the high-speed train technology, is expected to be put into trial operation in Wenzhou at the end of January. (Xinhua/Xing Guangli)