10 Things You Didn't Know About The Mariana Trench

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Mariana Trench is the deepest part of the ocean with a mind-boggling depth of over 10 thousand meters. We know more about the surface of the moon than this mysterious underwater world, which only three human beings have ever visited. This undersea canyon is home to some of Earth’s greatest secrets. Today we’re learning interesting facts about the Mariana Trench.