Blue hole

blue hole aerial shot Belize. You can see the barrier reef surrounding it. Beautiful.

Blue Hole,Palau.

Great Blue Hole (Lighthouse Reef Atoll) - 2019 Book in Destination - All You Need to Know BEFORE You Go (with Photos) - TripAdvisor

Malta - Paradise - Armier Bay . hole in the earth leading to a wimiscle grotto / swimming hole - Mediterranean - blue glow - secrets! Europe!

Sponsors Great Blue Hole The Great Blue Hole is basically a large submarine sinkhole off the coast of Belize. It lies near the center of Lighthouse Reef, a small atoll 70 km from the mainland and Belize City. The hole is circular in shape, over 300 m (984 ft) across and 124 m (407 ft) deep. The Great Blue Hole is one of the world’s most recognizable natural wonders. It is First discovered by Jacques Cousteau, one of the world’s most famous divers and marine conservationists, the Great Blue…

"Igor Liberti" "underwater freediving photography" "fotografia in apnea" "fotografia subacquea" "underwater art" "impressionism"

Diving into Blue Hole in Itchetucknee Springs north of Gainesville. #GainesvilleFlorida #Springs #Itchetucknee

" The Great Blue Hole, Belize " It was formed as a limestone cave system during the last glacial period when sea levels were much lower. As the ocean began to rise again, the caves flooded, and the roof collapsed.Believed to be the world’s largest feature of its kind, the Great Blue Hole is part of the larger Belize Barrier Reef Reserve System