The world's deepest underwater sinkhole in the waters of Chetumal Bay between Mexico and Belize remains shrouded in mystery after researchers reported they have yet to determine its full depth.

Near the Chinese city-province of Chongqing lies a natural wonder of truly epic proportions. The Xiaozhai Tiankeng is the deepest sinkhole in the world, where even skyscrapers would disappear. But the ...

Add Yahoo as a preferred source to see more of our stories on Google. Photo Credit: iStock The world's deepest underwater sinkhole in the waters of Chetumal Bay between Mexico and Belize remains ...

According to the research paper published on ResearchGate, with such great depth and verticality, ‘Heavenly Pits’ like the Xiaozhai Tiankeng create a semi-isolated physical barrier that maintains a ...