Friday, February 20, 2015

The magestic Hang Son Doong - the largest cave in the world, Vietnam

The magestic Hang Son Doong - the largest cave in the world, Vietnam

Deep inside the jungles of Vietnam is hidden the largest cave in the world – the majestic Hang Son Doong.
This natural phenomenon was found by a local man named Ho Khanh in 1991. But 5 years ago it was not visited by humans. The whistling sound of wind and roar of fiery stream in the cave heard through the entrance as well as the steep descent prevented the local people to enter the cave.


Only in 2009 did the cave become internationally known after a group of scientists from the British Cave Research Association, led by Howard and Deb Limbert. Their progress was stopped by a large, 60 metres (200 ft) high calcite wall, which was named The Great Wall of Vietnam. It was traversed in 2010 when the group reached the end of cave passage.


The cave is five times larger than Phong Nha Cave, a nearby cave previously considered the biggest cave in Vietnam. The biggest chamber of Son Doong is more than five kilometres long, 200 metres high and 150 metres wide.


It is so large that can accommodate several settlements or 40-storey building without any problem. There are not known to humanity plants and organisms as well as extremely rare cave pearls. They are formed by drops of water falling from the ceiling onto the limestone formations - consuming process thousands of years.


The cave contains some of the tallest known stalagmites in the world, which are up to 70 m tall. Behind the Great Wall of Vietnam were found cave pearls the size of baseballs, an abnormally large size.


In early August 2013, the first tourist group explored the cave on a guided tour at a cost of US$3,000 each. Future exploration trips are planned.


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