CNN Anderson Cooper 360 August 14, 2013 08:54:00
About this sinkhole, its easy to get inside. called the devils den, its open to tourists for viewing and diving. and dive instructioner 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 aquifer, but its also risen when weve had hurricanes and tropical storms, its risen another 45 feet. >> reporter: 45 feet? >> 45 feet. >> reporter: down here its easy to see how fluctuating ground water...
Source: archive.org