Passengers take photos in front of the newly-opened Zhanjiang West Railway Station in south China's Guangdong Province, July 1, 2018. The Jiangmen-Zhanjiang railway, measuring 357 kilometers in length with a designed speed of 200 kilometers per hour, was put into operation on Sunday and can largely reduce the time traveling from western Guangdong regions to Guangzhou City. (Xinhua/Zhang Jiayang)

The train D7452 from Zhanjiang to Guangzhou prepares to depart in Zhanjiang City, south China's Guangdong Province, July 1, 2018. The Jiangmen-Zhanjiang railway, measuring 357 kilometers in length with a designed speed of 200 kilometers per hour, was put into operation on Sunday and can largely reduce the time traveling from western Guangdong regions to Guangzhou City. (Xinhua/Zhang Jiayang)

A train runs on the Jiangmen-Zhanjiang railway in south China's Guangdong Province, July 1, 2018. The Jiangmen-Zhanjiang railway, measuring 357 kilometers in length with a designed speed of 200 kilometers per hour, was put into operation on Sunday and can largely reduce the time traveling from western Guangdong regions to Guangzhou City. (Xinhua/Zhang Jiayang)

The train D7452 from Zhanjiang to Guangzhou prepares to depart in Zhanjiang City, south China's Guangdong Province, July 1, 2018. The Jiangmen-Zhanjiang railway, measuring 357 kilometers in length with a designed speed of 200 kilometers per hour, was put into operation on Sunday and can largely reduce the time traveling from western Guangdong regions to Guangzhou City. (Xinhua/Zhang Jiayang)

A train runs on the Jiangmen-Zhanjiang railway in south China's Guangdong Province, July 1, 2018. The Jiangmen-Zhanjiang railway, measuring 357 kilometers in length with a designed speed of 200 kilometers per hour, was put into operation on Sunday and can largely reduce the time traveling from western Guangdong regions to Guangzhou City. (Xinhua/Zhang Jiayang)

Passengers enter the newly-opened Zhanjiang West Railway Station in south China's Guangdong Province, July 1, 2018. The Jiangmen-Zhanjiang railway, measuring 357 kilometers in length with a designed speed of 200 kilometers per hour, was put into operation on Sunday and can largely reduce the time traveling from western Guangdong regions to Guangzhou City. (Xinhua/Zhang Jiayang)

A train runs on the Jiangmen-Zhanjiang railway in south China's Guangdong Province, July 1, 2018. The Jiangmen-Zhanjiang railway, measuring 357 kilometers in length with a designed speed of 200 kilometers per hour, was put into operation on Sunday and can largely reduce the time traveling from western Guangdong regions to Guangzhou City. (Xinhua/Zhang Jiayang)