Train conductors wait for the trains to arrive in freezing cold weather at the platform of Manzhouli Station in Manzhouli, north China's Inner Mongolia Autonomous Region, Jan. 11, 2019. Manzhouli is a major land port in north China's Inner Mongolia, with a large number of inbound and outbound passengers. The Manzhouli Station has selected 16 train conductors for foreign languages and etiquette training in order to provide excellent service. (Xinhua/Cai Yang)