A railway employee conducts the shunting of a 10,000 metric-ton train at Qinhuangdao East Station in Hebei province, to safeguard the safe running of heavy-load trains on the Datong-Qinhuangdao Railway. The station, which serves as a joint marshalling yard connecting with the nearby port, has been optimizing the shunting operations of the 10,000-ton trains, achieving fast disassembly and fast departure times.