China's icebreakers unload cargos for Zhongshan Station in Antarctica

China's icebreakers Xuelong and Xuelong 2 are seen at an area, about 10km northwest to the China's Zhongshan Station in Antarctica, Dec. 1, 2019. The task of unloading cargos for China's Zhongshan Station and inland departure base draws to a close. (Xinhua/Liu Shiping)