Customs staff work in low temperature in China's Inner Mongolia

Customs staff workers work at the Manzhouli Customs in Manzhouli, north China's Inner Mongolia Autonomous Region, Jan. 10, 2019. Manzhouli is a major land port in north China's Inner Mongolia, with the lowest temperature of -40 degrees Celsius in winter. Customs staff workers of Manzhouli still dedicate to their jobs in such low temperature. (Xinhua/Cai Yang)