Icebreaker Xuelong concludes China's 30th Antarctic expedition (2/7)

Liu Shunlin (Front), head of China's 30th scientific expedition mission, waves after returning to Shanghai, east China, April 15, 2014. Chinese research vessel and icebreaker Xuelong (Snow Dragon) returned to Shanghai on Tuesday, concluding the country's 160-day scientific expedition to Antarctica. (Xinhua/Pei Xin)