
A customs staff worker checks the inbound passengers 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 C in winter. Customs staff workers of Manzhouli still dedicate to their jobs in such low temperature. [Photo by Zou Yu/Xinhua]
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