Photo taken on Jan. 17, 2014 from Chinese research vessel and icebreaker Xuelong shows the Victoria Land in Antarctica. Xuelong, or Snow Dragon, shipped Chinese Antarctic exploration team heading to the Changcheng Station after they have finished research work in Victoria Land on Friday. (Xinhua/Zhang Jiansong)

Photo taken on Jan. 17, 2014 from Chinese research vessel and icebreaker Xuelong shows the Victoria Land in Antarctica. Xuelong, or Snow Dragon, shipped Chinese Antarctic exploration team heading to the Changcheng Station after they have finished research work in Victoria Land on Friday. (Xinhua/Zhang Jiansong)

Members of Chinese Antarctic exploration team release a boat from Chinese research vessel and icebreaker Xuelong to pick up the scientists working in Victoria Land, Antarctica, Jan. 16, 2014. Xuelong, or Snow Dragon, shipped Chinese Antarctic exploration team heading to the Changcheng Station after they have finished research work in Victoria Land on Friday. (Xinhua/Zhang Jiansong)

Members of Chinese Antarctic exploration team release a boat from Chinese research vessel and icebreaker Xuelong to pick up the scientists working in Victoria Land, Antarctica, Jan. 16, 2014. Xuelong, or Snow Dragon, shipped Chinese Antarctic exploration team heading to the Changcheng Station after they have finished research work in Victoria Land on Friday. (Xinhua/Zhang Jiansong)

Members of Chinese Antarctic exploration team release a boat from Chinese research vessel and icebreaker Xuelong to pick up the scientists working in Victoria Land, Antarctica, Jan. 16, 2014. Xuelong, or Snow Dragon, shipped Chinese Antarctic exploration team heading to the Changcheng Station after they have finished research work in Victoria Land on Friday. (Xinhua/Zhang Jiansong)

Photo taken on Jan. 17, 2014 from Chinese research vessel and icebreaker Xuelong shows the Victoria Land in Antarctica. Xuelong, or Snow Dragon, shipped Chinese Antarctic exploration team heading to the Changcheng Station after they have finished research work in Victoria Land on Friday. (Xinhua/Zhang Jiansong)

A boat with members of Chinese Antarctic exploration team sails back to Chinese research vessel and icebreaker Xuelong, in Antarctica, Jan. 16, 2014. Xuelong, or Snow Dragon, shipped Chinese Antarctic exploration team heading to the Changcheng Station after they have finished research work in Victoria Land on Friday. (Xinhua/Zhang Jiansong)

A boat sails to Victoria Land to pick up the members of Chinese Antarctic exploration team in Antarctica, Jan. 16, 2014. Chinese research vessel and icebreaker Xuelong shipped Chinese Antarctic exploration team heading to the Changcheng Station after they have finished research work in Victoria Land on Friday. (Xinhua/Zhang Jiansong)

A boat with members of Chinese Antarctic exploration team sails back to Chinese research vessel and icebreaker Xuelong, in Antarctica, Jan. 16, 2014. Xuelong, or Snow Dragon, shipped Chinese Antarctic exploration team heading to the Changcheng Station after they have finished research work in Victoria Land on Friday. (Xinhua/Zhang Jiansong)

A boat with members of Chinese Antarctic exploration team sails back to Chinese research vessel and icebreaker Xuelong, in Antarctica, Jan. 16, 2014. Xuelong, or Snow Dragon, shipped Chinese Antarctic exploration team heading to the Changcheng Station after they have finished research work in Victoria Land on Friday. (Xinhua/Zhang Jiansong)

A crane of Chinese research vessel and icebreaker Xuelong lifts a boat in Antarctica, Jan. 16, 2014. Xuelong, or Snow Dragon, shipped Chinese Antarctic exploration team heading to the Changcheng Station after they have finished research work in Victoria Land on Friday. (Xinhua/Zhang Jiansong)