Crew members of the Jiaolong submarine stand on the deck of its mother ship, Xiangyanghong 09, waving to people on the bank. Jiaolong, the first manned submersible independently designed and assembled in China, returned back to Jiangyin Sunan International port on Aug 18, 2011 in East China's Jiangsu province after 10,000 nautical miles navigation in 49 days. [Photo/Xinhua]
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