Flooded Caves | Secrets of the Mayan Underworld | BBC Earth

Take a closer look at the art of Cenote diving - underground exploration of the caves that populate the Mayan Riviera.With all the caves completely flooded and some incredibly tight tunnels to navigate, the most important lesson to learn is not to panic. Subscribe to BBC Earth: http://bit.ly/ydxvrP BBC Earth Channel: http://www.youtube.com/BBCEarth Visit http://www.bbcearth.com for all the latest animal news and wildlife videos BBC Earth Facebook http://www.facebook.com/bbcearth (ex-UK only) BBC Earth Twitter http://www.twitter.com/bbcearth Watch more videos from BBC Earth: Blue Planet http://bit.ly/BluePlanetPlaylist Planet Earth http://bit.ly/PlanetEarthPlaylist Planet Earth II http://bit.ly/PlanetEarthIIPlaylist Planet Dinosaur http://bit.ly/PlanetDinoPlaylist Check out the other two channels in our BBC Earth network: BBC Earth Unplugged: http://bit.ly/BBCEarthUnplugged BBC Earth Lab: http://bit.ly/BBCEarthLabYouTubeChannel About BBC Earth: The world is an amazing place full of stories, beauty and natural wonder. Jump in to BBC Earth's YouTube channel and meet your planet. You'll find 50 years worth of astounding, entertaining, thought-provoking and educational natural history content on here. Dramatic, rare, and exclusive, nature doesn't get more exciting than this. Subscribe to be the first to view new videos. And you can become part of the BBC community by checking out our BBC Earth Facebook page. Here you'll find the best natural history content from the web, exclusive videos and images and a thriving, vibrant community. This is a commercial channel from BBC Studios. Service & Feedback https://www.bbcstudios.com/contact/contact-us/