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Long Way Down: Mariana Trench | National Geographic

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Published on Mar 8, 2012

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.
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Long Way Down: Mariana Trench | National Geographic
https://youtu.be/Y2tm40uMhDI

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