Chinese research vessel Xuelong returned to Shanghai

Boarder police approach China’s research vessel Xuelong, where the crew’s re-entry paperworks will be handled, in east China’s Shanghai Municipality, April 7, 2012. The research vessel has just returned to Shanghai from China’s 28th Antarctic expedition. The crew travelled some 28,000 nautical miles in five months, with 47 tasks performed during the expedition. (Xinhua/Pei Xin)

A boarder policeman handles crew members’ re-entry paperworks on board the research vessel Xuelong in east China’s Shanghai Municipality, April 7, 2012. The research vessel has just returned to Shanghai from China’s 28th Antarctic expedition. The crew travelled some 28,000 nautical miles in five months, with 47 tasks performed during the expedition. (Xinhua/Pei Xin)

China’s research vessel Xuelong is anchored at a port in east China’s Shanghai Municipality, April 7, 2012, after returning from its latest polar expedition. The research vessel has just returned to Shanghai from China’s 28th Antarctic expedition. The crew travelled some 28,000 nautical miles in five months, with 47 tasks performed during the expedition. (Xinhua/Pei Xin)