In pictures: China succeeds in first 300-meter saturation dive (3/4)

A diving bell with three divers aboard starts its 300-meter saturation dive under the South China Sea, Jan. 12, 2014. China succeeded in its first 300-meter saturation dive on Sunday morning as three divers returned safe and sound from deep water to the living chamber on their ship. The diving bell actually reached a depth of 313.5 meters under the South China Sea. Saturation diving technology enables human beings to withstand high water pressure by saturating human tissue with inert gas. (Xinhua)