This huge wander is believed to be harboring clues to the one of the age old question, What happened to the Mayans? Well, we might just very well find out. There are 2 videos and the location provided in this article. Enjoy
Here is an article from The Blaze http://www.theblaze.com/stories/2015/01/01/evidence-uncovered-from-belizes-great-blue-hole-just-might-hold-the-answers-to-ancient-mystery/