Braving the cold, electric technicians work on power lines in Quanjiao county, Chuzhou city, East China's Anhui province, Jan 13, 2014. State Grid Anhui Electric Power Company has started a 9.4-kilometer project in 2014 to upgrade the rural power grid and make ensure residents have a reliable power supply during the winter season under extremely low temperatures. [Photo/icpress.com.cn]

Braving the cold, an electric technician works on power lines in Quanjiao county, Chuzhou city, East China's Anhui province, Jan 13, 2014. State Grid Anhui Electric Power Company has started a 9.4-kilometer project in 2014 to upgrade the rural power grid and make ensure residents have a reliable power supply during the winter season under extremely low temperatures. [Photo/icpress.com.cn]