A Real Natural Underground Kingdom Existed on Earth for Millions of Years Has Recently Been Discovered

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By NTD Newsroom
January 18, 2017Science & Tech
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A Real Natural Underground Kingdom Existed on Earth for Millions of Years Has Recently Been Discovered

In 1991, Ho Khanh, a local farmer was out gathering wood in the dense jungle of Vietnam’s Phong Nha-Ke Bang National Park, when he stumbled upon an enormous cave entrance. The roar of a rushing stream and the whistling sound of wind in the cave can be heard through the entrance located in a limestone cliff.

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It “felt like something from the underworld.” Khanh said. He soon forgot the cave’s location until he met British spelunkers exploring the area, some 20 years later. He began looking for the cave entrance again, which he found in 2008. The following year, he led an international team of scientists from the British Cave Research Association, led by Howard and Deb Limbert, in exploring what is now known as Son Doong Cave, the largest cave in the world.

The name “Son Doong” cave means “mountain river cave.” 

Below are stunning photos that capture the cave’s surreal, massive beauty. Enjoy!

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Khanh, who discovered Son Doong didn’t go in because the entrance he found had too steep a drop. On tours, visitors rappel 80 meters to enter Son Doong.

VIETNAM - MAY 06: A photographer climbing in Hang Son Doong. (Photo by Carsten Peter/National Geographic/Getty Images)

VIETNAM - MARCH 14: The forest-shrouded entrance to Hang Son Doong. Phong Nha Ke Bang National Park, Vietnam. (Photo by Carsten Peter/National Geographic/Getty Images)

VIETNAM - MAY 01: A rock formation shines beneath a skylight in Hang Son Doong. (Photo by Carsten Peter/National Geographic/Getty Images)

On their first night inside the cave, visitors camp near Hand of Dog, a humongous stalagmite that looks like a dog’s paw.

VIETNAM - FEBRUARY 16: The Hand of Dog stalagmite in Hang Son Doong Cave. (Photo by Carsten Peter/National Geographic/Getty Images)

The roof of the cave collapsed centuries ago, allowing a lush jungle to take root. Monkeys and flying foxes live in what explorers named the Garden of Edam.

VIETNAM - MAY 03: A jungle grows inside Hang Son Doong. (Photo by Carsten Peter/National Geographic/Getty Images)

VIETNAM - APRIL 30: A Hang Son Doong explorer navigates an plant-covered cavescape. Phong Nha Ke Bang National Park, Vietnam. (Photo by Carsten Peter/National Geographic/Getty Images)

Fields of algae from ancient pools blanket parts of the cave’s interior.

VIETNAM - MAY 02: Hang Son Doong explorers navigate an algae-covered cavescape. Phong Nha Ke Bang National Park, Vietnam. (Photo by Carsten Peter/National Geographic/Getty Images)

Son Doong is a jackpot of rare cave pearls. The pearls form over hundreds of years as water drips down, dries up and leaves layers of calcite crystals on grains of sand.

VIETNAM - MARCH 16: Rare cave pearls fill dried-out terrace pools in Hang Son Doong. (Photo by Carsten Peter/National Geographic/Getty Images)

Scientists have discovered never-before-seen plant species around Son Doong’s waterfalls. Oh, and there’s a whole river in there, too.

VIETNAM - MAY 01: A cascading waterfall in Hang Son Doong. (Photo by Carsten Peter/National Geographic/Getty Images)

VIETNAM - MAY 02: Cascading water in Hang Son Doong. Phong Nha Ke Bang National Park, Vietnam. (Photo by Carsten Peter/National Geographic/Getty Images)

 

VIETNAM - UNDATED: ***EXCLUSIVE*** The British caving team crossing one of the underground rivers inside the Hang Son Doong cave in Ke Bang Massif, Vietnam, April 2009. A British Caving team believe they have discovered the largest sized cave passage in the world. Measuring 200 metres in height and 150 metres in width the new cave, called Hang Son Doong (Mountain River Cave), is 6.5 km long. Assisted by representatives of Hanoi University of Science the team explored the new cave for five days. The team spent six hours trekking through the jungle to reach the cave. Climbing down into a large chamber, they had to negotiate two underground rivers before reaching the main passage of the Hang Son Doong. The team will return to Vietnam later in the year to complete the expedition of the cave and conduct a full survey. (Photo by Joint British-Vietnamese Caving Expedition 2009 / Barcroft Media / Getty Images)

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