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. [Photo by Zhang Jiayang/Xinhua]