Firefighters stick to posts despite freezing weather in China's northernmost city

Firefighter Zhang Yu is on duty at the fire station in Beiji Village of Mohe City, northeast China's Heilongjiang Province, Jan. 13, 2021. Firefighters stick to their post and keep training despite the freezing weather in Mohe, the northernmost city in China, where the temperature is often below minus 40 degrees Celsius in winter. (Xinhua/Xie Jianfei)