Blue Hole

Great Blue Hole (Great Blue Hole) - a real masterpiece of the universe. It is the largest ocean basin in the form of a shell. Within the walls of the pit are located huge cave with the incredible size of limestone columns (up to 10 meters). Underwater lights - a mandatory piece of equipment when immersed in these mestah.

It is expected that thousands of years ago, Big Blue Hole was an ordinary cave vault which collapsed under the influence of water on the advancing materik.

Thus was formed a funnel filled with water depth of 124 meters and a width of 300 meters.

Blue Hole became famous thanks to the French explorer Jacques-Yves Cousteau, who included it in the list of the top 10 places in the world for diving. In 1972, on his vessel Calypso, he measured the depth of the hole and confirmed her theory obrazovaniya.

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Source: mirfactov.com/