Beijing launches two new railway lines

A man buys ticket with a self-service machine to take the subcenter railway line of China's capital Beijing, Dec. 31, 2017. The 38.8-km Beijing subcenter railway line, linking Beijing's western Shijingshan District with Tongzhou District where the city's subcenter lies with five stations, was officially opened on Sunday. (Xinhua/Zhang Chenlin)(wjq)