What secrets are fraught with the Mariana trench? Incredible!

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The best students in the school learned: the highest point on earth — mount Everest (8848 m), the deepest trench — Mariana.

However, if we know about Everest a lot of interesting facts, about the depression in the Pacific Ocean, in addition to the fact that it is the deepest, most people do not know.

Despite the fact that the oceans are closer to us than the mountain peaks and even more distant planets of the Solar system, people have studied only five percent of the seabed, which still remains one of the greatest mysteries of our planet.

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