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Inside the world's largest underwater cave that's nearly 215 miles long
Near Tulum, Sistema Sac Actun is intertwined with a vast array of cenotes, once considered holy gateways to the underworld by the ancient Maya and still enchanting explorers today. Ancient disease ...
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The Most Stunning Cenotes Near Cancun That Aren't Full of Tourists
Sac Actun is a prime example. This underground river and cave system is among the longest in Mexico, measuring nearly 260 miles long with a maximum depth of 300 feet. There are 111 cenote ...
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Divers have found the biggest underwater cave in the world, and it could contain Mayan secrets
By discovering a tunnel that links Sac Actun, a 263-kilometer cave system ... The Yucatan peninsula is studded with cenotes, natural pits formed by the collapse of the limestone bedrock that ...