Members of an expedition team pose for a group photo aboard the icebreaker Xuelong, or "Snow Dragon," to mark their leaving of the Arctic Circle, Sept. 9, 2012. A Chinese expedition team left the Arctic Circle after fulfilling a scientific exploration of the Arctic Ocean on Saturday night. (Xinhua/Qu Jing)
China's icebreaker Xuelong, or "Snow Dragon", sails through the Bering Strait, Sept. 9, 2012. A Chinese expedition team left the Arctic Circle after fulfilling a scientific exploration of the Arctic Ocean on Saturday night. (Xinhua/Qu Jing)
China's icebreaker Xuelong, or "Snow Dragon", sails through the Bering Strait, Sept. 9, 2012. A Chinese expedition team left the Arctic Circle after fulfilling a scientific exploration of the Arctic Ocean on Saturday night. (Xinhua/Qu Jing)(mcg)