The World's Most Surreal Natural Phenomena Are Finally Explained
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The Strange Underwater River
Now here’s another occurrence that we never thought could actually exist. The underwater river can be found in different places around the world, and one of them is the Cenote Angelita in Mexico. The river seems to be a result of a deposit of hydrogen sulfide that creates what looks like a river underneath the water.
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Basically, fresh topwater meets the salty groundwater, causing some sort of milky effect that is called a halocline.
