Mariana trench live feed: engrossing viewing from deepest place on Earth

Rare footage from 11km underwater streams on Youtube from National Oceanic and Atmospheric Administration vesselA live video feed of the Mariana trench - the deepest place on Earth - is proving engrossing viewing for those above sea level.The Mariana trench plunges about 11km (seven miles) deep under the Pacific - further down than the summit of Mount Everest is above sea level. Because of the difficulties in reaching such depths, little is known about the area. Continue reading...