If you are a diver, then you should visit the cenote Angelita, Mexico. There is a cave. If you dive to depths of 30 feet, the water is fresh water (fresh), but if you dive to depths of more than 60 meters, the water turns salty water, then you can see a "river" at the bottom, complete with trees and foliage leaves.
It really looks like a real river
A Diver down the tunnel under the Freshwater Sea
A tunnel ends in a small lake under the sea with the leaves
Once inside, so that seems like a high Cliff
Amazing......!!!
But the reviewers said, it is not normal river, it is a layer of hydrogen sulfide, but it looks like a river ... Amazing is not it? Look how wonderful creation of Allah S.W.T