The “Fendouzhe”, or “Striver”, descended more than 10,000 meters into the submarine trench in the ... have ever visited the bottom of the Mariana Trench, a crescent-shaped depression ...

Positioned at the southern end of the Mariana Trench in the western Pacific Ocean ... in July that it had completed an ultra-deep submarine cable installation at a depth of 2,150 metres (7,053 ...