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A helicopter picks up members of China's 35th Antarctic expedition team from the Zhongshan Station to China's research icebreaker Xuelong, Feb. 13, 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)