In the bottom of the South China Sea near the Xisha Islands in China, discovered a new deepest. Blue Hole (The Blue Hole). Hole in Rock has a diameter of about 130 meters and depth of approximately 300 meters.
The same Hole Dragon Sansha Yongle outclassed its competitors, and so the Great Blue Hole in Belize area (108 meters deep) and the Blue Hole Dean in the vicinity of the Bahamas (202 meters deep).
Sea cave was formed after the last ice age and hides a previously unknown specimens of fish and plants. The researchers intend to wander into its depths to examine its geological structure. At the same time to make detailed measurements of its size, water temperature, density, salinity and tidal forces.