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The Yucatan peninsula in Mexico is very interesting here, completely empty of waterways which would make one think it's a dessert area per other similar areas of the map, yet it's a very lush tropical jungle. A ton of water yet all of it runs underground, cenotes [0] are (mostly) undergound sinkholes, amazing to swim in

[0] https://en.wikipedia.org/wiki/Cenote



Fun fact about cenotes: most of them were formed from the geologic upset that followed the asteroid that wiped out the dinosaurs 65Mya


Exactly, and if you look at a hydrological map of cenote locations in the Yucatan Penninsula, a very obvious, concentrated majority of them align very closely with the ancient buried crater's curvature. It's fascinating, and especially when you consider that of the millions of tourists and locals who visit the cenotes annualy, very few realize what the scope and ferociously violent origins are of the lovely little "scattered" blue pools they play in..




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