Submersible Jiaolong completes sample-capture mission (2)

Qiu Jianwen, a professor from Hong Kong Baptist University, waves at the exit of China's manned deep-sea submersible Jiaolong after a sample-capture mission in the cold vents of south China sea, south China, June 19, 2013. Qiu obtained deep-sea samples in the cold vents of the South China Sea during a dive conducted on Wednesday. (Xinhua/Zhang Xudong)