An employee of Quwo Railway Station in Shanxi province conducts routine maintenance on a train on the Houma-Yueshan Railway. Since June, high temperatures have been impacting the normal running of trains on the line, which are capable of transporting over 100 million metric tons of coal each year. The Houma Carriage Service Section, which administers the station, has asked its employees to do their utmost to safeguard the normal operation of trains.