A sign of Shacheng is seen at its railway station in Shacheng, Hebei Province, China, May 11, 2016. REUTERS/Sue-Lin Wong

A sign of Shacheng is seen at its railway station in Shacheng, Hebei Province, China, May 11, 2016. REUTERS/Sue-Lin Wong

A sign of Shacheng is seen at its railway station in Shacheng, Hebei Province, China, May 11, 2016. REUTERS/Sue-Lin Wong

July 7, 2016 7:52 AM (UTC+8)