
A train steward checks tickets in Taiyuan, north China's Shanxi Province, Aug. 6, 2017. Despite the sweltering heat in Taiyuan, workers in different industries stuck to their posts. (Xinhua/Cao Yang)

A train steward checks tickets in Taiyuan, north China's Shanxi Province, Aug. 6, 2017. Despite the sweltering heat in Taiyuan, workers in different industries stuck to their posts. (Xinhua/Cao Yang)