what does this indicate? – UPDATE
Off the coast of Belize there is an unusual formation that remains a mystery. There have been teams of archaeologists searching and researching this area for decades. Some people say this formation has no connection to the Mayan civilization just because it is off the coast of Belize. However, the civilization was in close proximity and if nothing else this crater has some interesting properties. Apparently there is a new development in our understanding of this place:
The ancient Mayan civilization collapsed due to a century-long drought, new research suggests.Evidence of the drought that is suspected to have led to the demise of the Mayan civilization.