In the Mariana Trench, they encountered species ... The first descent took place in 1960 when oceanographers Don Walsh and Jacques Piccard became the first to reach the bottom.

Hollywood director James Cameron has plunged nearly 11km down to the deepest place in the ocean, the Mariana Trench in ... descent was made by US Navy Lt Don Walsh and Swiss oceanographer Jacques ...

Found along the Mariana Trench, this natural phenomenon ... was accomplished by Jacques Piccard and US Navy Lieutenant Don Walsh in 1960. More recently, filmmaker James Cameron reached the bottom ...