Li Xianjun waits to add more coal to the boiler at a heating service station in Fuyuan City, northeast China's Heilongjiang Province, Jan. 10, 2021. Li Xianjun, 59, works at the only central heating service company in Fuyuan City, the easternmost city of China, where the weather is extremely cold in winter with the lowest temperature reaching about minus 40 degrees Celsius. (Xinhua/Zhang Tao)
