James Cameron successfully completed his first, record-setting Marian Trench dive a few days ago, and now, National Geographic has released the first footage from the event. Simply put, “the landscape down there is about what one might expect at a point seven miles below the surface: desolate, dark, and vaguely reminiscent of the moon.” Continue reading to watch.

At Challenger Deep–the deepest point in the Pacific’s Mariana Trench — Cameron’s submersible actually compressed, and lost three inches in length, under the 16,000 pounds per square inch of pressure there. Needless to say, life at such depths is very different. Cameron describes what he saw as an ‘alien world,’ where creatures possess no pigment and many have no eyes.

[via PopSci]