In the depths of the ocean ... discovered blue hole in Mexico has captivated the scientific community, it's essential to place it within the context of other known formations. The Great Blue ...
Declared a UNESCO World Heritage Site in 1996 – along with six other areas surrounding Belize's barrier reef – the Great Blue Hole remains ... Lighthouse Reef, an ocean freight wreck and ...
A deep blue hole in the ocean in Mexico is the deepest known sinkhole ... Other famous examples of these types of blue holes ...