Scientist comes back with Jiaolong after deep-sea dive (4/4)

Professor Zhou Huaiyang waves as he comes out of the <i>Jiaolong</i> manned deep-sea submersible after a deep-sea dive into the south China sea, June 18, 2013. The <i>Jiaolong</i> manned deep-sea submersible on Tuesday carried its first scientist Zhou Huaiyang, professor of the School of Marine and Earth Science at Tongji University, as crew member during a deep-sea dive. (Xinhua/Zhang Xudong)