Xuelong and Xuelong 2 sail at new broken-through path in Antarctica

Photo taken on Nov. 21, 2019 shows China's polar icebreaker Xuelong 2 and the path it broke through at the waters in Antarctica. China's polar icebreakers Xuelong and Xuelong 2 on Wednesday reached the waters near the Zhongshan Station in Antarctica. (Xinhua/Liu Shiping)