A Man Found A Hidden Amazing Cave-The Largest Cave In The World

From an early age, A farmer working in Vietnam's Phong Nha-Ke Bang National Park made an exciting discovery. He was searching for food and timber to earn a living. An unexplored cave, the entrance of which was marked by an intense and frightening roar of water. When he first saw it, he hesitated to approach it, fearful of what lay beyond. Nonetheless, this cave would later prove to be a priceless treasure for the region and researchers worldwild in 1990.

How big is Son Doong Cave? The volume of Son Doong Cave is 38.5 cubic million with 9km in length in present. The average passage size for Hang Son Doong is 67.2m; with the average height of the cave is 200m and the average width is about 150m. Hang Son Doong is big enough to fit an entire block of New York City with 40-storey skyscrapers. Stalagmites up to 80m high have also been surveyed, the tallest ever encountered.