The Great Blue Hole, Belize Barrier

The Great Blue Hole is a large submarine sinkhole in the coast of Belize city, it is located nearby the Lighthouse Reef around 90 kilometers from the mailand and Belize. The hole circular has approximately 145 meters deep with 4 kilometers across. The Great Blue Hole is known as a World Heritage Site of the UNESCO. Most visitors are intend to attraction about diving in Belize city to exploring the Famed Blue Hole in the sky.