WORLD FAMOUS BLUE LAKE CAVE OF BRAZIL

Mato Grosso do Sul region in Brazil (and especially the quiet town of Bonito) boasts many marvelous underground lakes: Gruta do Lago Azul, Gruta do Mimoso, Aquário Natural. The world famous "Gruta do Lago Azul” (Blue Lake Cave) in Brazil is a natural monument whose interior is formed by stalactites, stalagmites and a huge and wonderful blue lake. The beauty of the lake is something impressive. The Blue Lake Cave has a big variety of geological formation but impresses mainly for the deep blue colored water of its inside lake.

                             

WORD'S LARGEST CAVES DISCOVERED IN VIETNAM

A British caver wades through Vietnam's Son Doong cave, Earth's largest known cave passage, according to a survey team.

At 262-by-262 feet (80-by-80 meters) in most places, the Son Doong cave beats out the previous world-record holder, Deer Cave in the Malaysian section of the island of Born

The biggest known cave in the world is hidden in a jungle in Vietnam, but a team of cavers with the help of a local farmer are exploring its depths.

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