Top 10 Secrets of the MARIANA TRENCH

In our new ranking, we will tell you the most interesting and important facts about the Mariana Trench – the deepest point of the ocean. What strange animals live 11 kilometers below the surface? Who are the people who have gone down to the very bottom of the Mariana Trench? What dangers are hidden in the depths? And many more curious facts await you in this top 10 video.