Long Way Down: Mariana Trench | National Geographic

Seven miles is a long way down... more than a mile deeper than Mt. Everest is up. To reach the deepest part of the Mariana Trench, James Cameron will descend past some pretty amazing milestones. Here's a glimpse. ➡ Subscribe: http://bit.ly/NatGeoSubscribe #NationalGeographic #MarianaTrench #JamesCameron About National Geographic: National Geographic is the world's premium destination for science, exploration, and adventure. Through their world-class scientists, photographers, journalists, and filmmakers, Nat Geo gets you closer to the stories that matter and past the edge of what's possible. Get More National Geographic: Official Site: http://bit.ly/NatGeoOfficialSite Facebook: http://bit.ly/FBNatGeo Twitter: http://bit.ly/NatGeoTwitter Instagram: http://bit.ly/NatGeoInsta Long Way Down: Mariana Trench | National Geographic    • Long Way Down: Mariana Trench | National G...   National Geographic    / natgeo