China's research icebreaker Xuelong arrives in Zhongshan station in Antarctica

China's research icebreaker Xuelong arrives at the roadstead off the Zhongshan station in Antarctica, Dec. 1, 2018. The research team has carried out unloading work by using the helicopter. Xuelong carrying a research team set sail from Shanghai on Nov. 2, beginning the country's 35th Antarctic expedition. (Xinhua/Liu Shiping)