Workers use an electric saw to cut ice into blocks measuring 1.6 meters by 800 cm on the frozen Songhua River on Dec 7, 2018. [Photo provided to chinadaily.com.cn]
Workers pull out a block of ice, weighing about 700 kilograms, from the frozen Songhua in Harbin on Dec 7, 2018. [Photo provided to chinadaily.com.cn]
A worker uses a chisel to separate ice blocks on the frozen Songhua River in Harbin, capital of Northeast China's Heilongjiang province, Dec 7, 2018. [Photo by Wang Chengwang for chinadaily.com.cn]