This is Bushman’s hole. On the surface, it’s just an unassuming, murky green pool at the bottom of a cliff face. Look under the water, though, and it changes entirely. The water is crystal clear, and it extends far deeper than the cliff face above. In fact, it is considered to be one of the deepest known freshwater caves on Earth. And that fact alone also makes it one of the most dangerous. In this video, we’re going to go over the horrifying incidents that have taken place here.