James Cameron dives over 10kms below sealevel

Filmmaker and National Geographic Explorer-in-Residence James Cameron descended 35,756 feet (6.77 miles/10.89 km) to reach the "Challenger Deep," the ocean's deepest point located in the Mariana Trench, in his specially designed submersible DEEPSEA CHALLENGER.The Deepsea Challenger submersible begins its first 2.5-mile (4-km) test dive off the coast of Papua New Guinea in this handout photo