China's research icebreaker Xuelong, or Snow Dragon, returned to Shanghai in east China on Thursday after a 160-day-long voyage which formed part of the country's 42nd Antarctic expedition. #XinhuaNews

China's research icebreaker Xuelong, or Snow Dragon, returned to Shanghai in east China on Thursday after a 160-day-long voyage which formed part of the country's 42nd Antarctic expedition. #XinhuaNews

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