Photo taken on Feb. 6, 2016 shows the Chinese icebreaker "Xuelong", or Snow Dragon, stops at the McMurdo Sound on the Ross Sea in Antarctica. The icebreaker reached the Ross Sea for scientific research. (Photo: Xinhua/Zhu Jichai)
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Photo taken on Feb. 6, 2016 shows the Chinese icebreaker "Xuelong", or Snow Dragon, stops at the McMurdo Sound on the Ross Sea in Antarctica. The icebreaker reached the Ross Sea for scientific research. (Photo: Xinhua/Zhu Jichai)
