The world's largest underwater cave was just discovered in Mexico. Inside, researchers found ancient artifacts and the bones of extinct creatures.
See it here: https://qz.com/1192030/researchers-just-discovered-the-worlds-largest-underwater-cave/
See it here: https://qz.com/1192030/researchers-just-discovered-the-worlds-largest-underwater-cave/
Researchers just discovered the world’s largest underwater cave
![Researchers just discovered the world’s largest underwater cave]()
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January 30, 2018
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