CNN CNN Newsroom August 17, 2013 19:53:00
Create these cavities. >> reporter: what is unusual about this sinkhole, it's easy to get inside. called the devil's den, it's open to tourists for viewing and diving, and dive instructor prince johnson takes me under for a look. i find that this seemingly placid pool of water is anything but. >> the water has gone down considerably, because of the aquaph aquaphor, but it's risen, tropical storm, risen another 45 feet. >> 45 feet? >> 45 feet? >> the water is constantly going up and down, depending on the -- right. >> reporter: it's silently reeked havoc. i passed by limestone boulders s bolder...
Source: archive.org