Story of Ku: Engine driver and Spring Festival travel rush (6)

Engine driver Ku Jianzeng works on a freight train in Taigu Railway Station in Jinzhong City, north China's Shanxi Province, Jan. 28, 2016. Ku Jianzeng, 55 years old, works as an engine driver in Taiyuan Railway Bureau. The year of 2016 is special for Ku as this is the last year for him to serve during the Spring Festival travel rush. (Xinhua/Zhan Yan)