Canadian Film maker, James Cameron, becomes the first person to visit
Challenger Deep( The Challenger Deep is the deepest known point in the Earth,s sea floor hydrosphere, with a depth of 10,898 m (35,755 ft ) to 10,916 m (35,814 ft) by direct measurement from submersibles, and slightly more by sonar), the deepest point on Earth in over 50 years on March 26,2012.
