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[–] derram ago 

https://unvis.it/http://www.newsweek.com/archaeologists-mexico-discover-treasures-mayan-civilization-and-giant-sloth-812882 :

Archaeologists in Mexico Discover Treasures of Mayan Civilization and Giant Sloth Fossils in Vast Underwater Cave

'The 216-mile long flooded caves, known as the Sac Actun, were recognized as two distinct cave systems in Mexico. '

'Archaeologists have found several ancient Mayan artifacts and fossils of long-extinct animals, including giant sloths, in the largest underwater cave system in the world—but warn that the mysteries of the caves’ ancient history could be tarnished from nearby pollution. '

'Runoff from a nearby dump could be contributing to the high acidity levels in the cave where archaeologists found a human skull. '

'Their discoveries include remains of an ancient elephant-like species called gomphotheres, giant sloths and bears, according to Agence France-Presse. '

'The cave systems are often linked to sinkhole-like structures known as cenotes, which are popular tourist destinations for swimming and snorkeling. '


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