China's research icebreaker Xuelong is seen near the Zhongshan Station, Feb. 14, 2019. China's research icebreaker Xuelong, with 126 crew members aboard on the 35th Antarctic research mission, on Thursday local time left the Zhongshan Station on its way back to China. Snow Eagle 601, China's first fixed-wing aircraft for polar flight, on Thursday night also departed from the Antarctic after completing all assignments. (Xinhua/Liu Shiping)