Photo taken on June 17, 2013 shows China's manned deep-sea submersible Jiaolong in the South China Sea, south China. Jiaolong conducted the first diving operation for its first voyage of experimental application in the South China Sea Monday morning. Jiaolong set a new dive record after reaching a depth of 7,062 meters in the Pacific Ocean's Mariana Trench in June 2012. [Photo/Xinhua]