Photo taken on Feb. 6, 2016 shows clouds over the Mount Erebus on the Ross Island in Antarctica. The Chinese icebreaker "Xuelong", or Snow Dragon, reached the Ross Sea for scientific research. (Photo: Xinhua/Zhu Jichai)
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Photo taken on Feb. 6, 2016 shows clouds over the Mount Erebus on the Ross Island in Antarctica. The Chinese icebreaker "Xuelong", or Snow Dragon, reached the Ross Sea for scientific research. (Photo: Xinhua/Zhu Jichai)
