@CNN: Divers in Mexico have discovered what experts believe is the world’s longest underwater cave system http://ift.tt/2Bd7pT2 http://ift.tt/2mQs5fC

January 18, 2018 / The Arbiter / CNN

@CNN: Divers in Mexico have discovered what experts believe is the world’s longest underwater cave system http://ift.tt/2Bd7pT2 http://ift.tt/2mQs5fC

Divers in Mexico have discovered what experts believe is the world's longest underwater cave system https://t.co/uk8mRRr6fT pic.twitter.com/7OeIUCl10w

— CNN (@CNN) January 18, 2018

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