4.3K views · 48 reactions | There are several ocean mysteries which humans are trying to solve, including the deepest ocean trenches in the world. Most of these ocean trenches contain species unknown to humankind. A deep ocean trench is formed due to steep depressions in the deepest parts of the ocean from a tectonic plate being pushed beneath another plate. https://youtu.be/v8_M4TZ4fAk?t=285 | Marine Insight | Facebook

Puerto Rico Trench is 27,585 FT, which is deep enough to hold 22 Empire State Buildings stacked on top of each other! 🌊 | Discovery Channel UK

Where is the deepest point of the ocean? It’s in the Mariana Trench in the Pacific. The Mariana Trench is a deep trench located where two tectonic plates meet, and its deepest point is called Challenger Deep. The bottom of Challenger Deep is over ten thousand meters below sea level. That’s nearly seven miles deep - enough to fit Mount Everest with over a mile to spare. Challenger Deep was first discovered in 1875, but it took nearly a hundred years for it to be explored underwater - at that dept