Railway workers clear snow off the lines on November 20 to enhance safety during extreme weather. Winter is rain, hail and snow. To guarantee transport safety, water, power and heat supplies, sanitation workers shovel snow off roads, police inspect motor vehicles and emergency repairmen fix broken equipment. They are warm rays of sunshine in the bleak midwinter. (Photo: People's Daily)

State Grid workers carry out emergency repairs in Jilin Province during heavy rain and snow on November 19. (Photo: Xinhua)

A soldier of the Heilongjiang Armed Police Corps remains on duty as temperatures hit -20 C on November 23 in Beiji Village, Mohe city, Heilongjiang Province. Beiji, also known as “Arctic Village,” is China’s northernmost settlement. (Photo: People's Daily)

A sanitation worker shovels snow in Harbin, Heilongjiang Province on November 19. (Photo: People's Daily)

Police and border guards patrol 4,980 meters above sea level in Taxkorgan Tajik Autonomous County of the Xinjiang Uygur Autonomous Region on November 23. (Photo: People's Daily)

Sparks fly at the construction site of the National Ski Jumping Center for the 2022 Beijing Winter Olympics on November 21. (Photo: People's Daily)