Nature is sometimes able to give us breathtaking spectacles, such as the cave of Hang Son Doong, located in Vietnam and considered the largest in the world. The cave (in Vietnamese language Hang Sơn Đoòng) is the entrance for one unknown and magical world which is under our feet and whose existence we have always ignored. It was to make her famous Ryan Deboodt, fotografo freelance with a passion for adventure travel, which has been collaborating with the famous National Geographic for years. Hang Son Doong is located within Phong Nha-Ke Bang National Park, in Vietnam, in a vast limestone region where there are over 150 caves. The cave is 9 kilometers long and has an extension of 80 meters, both in height and in width. Walking along it you will discover new and truly magical landscapes, which can reach the 250 meters high and 200 meters wide. According to experts, who have explored and analyzed it for a long time, Hang Son Doong would have the beauty of 2,5 million years and would have been created thanks to the action of an underground river, which over the years would have eroded the limestone that it is located under the mountain. It is no coincidence that the name given to the natural area means "Mountain river cave".
In areas where the stone was more friable, it collapsed, allowing the jungle to invade the cave and creating a real ecosystem within Hang Son Doong. Along its 9 kilometers you can admire tunnels, beaches, stalagmites (the largest in the world, 70 meters high), rivers and a rich wildlife.
The cave was discovered in 1991, quite by accident, by Ho Khanh, a local farmer. It was first explored in 2009 by some English speleologists led by the adventurer Howard Limbert. The group stopped when they faced a huge limestone wall, called The Great Wall of Vietnam ("The Great Wall of Vietnam"). Subsequent expeditions finally managed to complete the crossing, verifying the true length of the cave. Despite this, according to scholars, many secrets of Hang Son Doong are still waiting to be revealed.
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