World's biggest cave is even bigger than we thought

15:14 | 24/05/2019
Thanks to discoveries made during a recent expedition in Vietnam, it appears the world's largest cave, Son Doong, is even bigger than previously thought, CNN reports.
worlds biggest cave is even bigger than we thought
Last month, a trio of British divers ventured to Phong Nha-Ke Bang National Park to explore the cave's waterways (Photo: CNN)
worlds biggest cave is even bigger than we thought
Son Doong currently measures a total of 38.5 million cubic meters. When it's officially connected with Thung Cave, it will add an additional 1.6 million cubic meters in volume (Photo: CNN)
worlds biggest cave is even bigger than we thought
During the groundbreaking dive, they discovered a new underwater tunnel that connects Son Doong with another enormous cave called Hang Thung (Photo: CNN)
worlds biggest cave is even bigger than we thought
One of the world's most precious natural wonders, Son Doong was inadvertently discovered by Vietnam resident Ho Khanh in 1990 (Photo: CNN)
worlds biggest cave is even bigger than we thought
It was first explored in 2009 by the British Cave Research Association and has been open to the public since 2013 (Photo: VNA)
worlds biggest cave is even bigger than we thought
Son Doong Cave has been recognised as the largest of its kind in the world by three international record-keeping organisations – Guinness, the Association World, and WorldKings (Photo: VNA)
worlds biggest cave is even bigger than we thought
The 1,645m-long cave system, which extends through a mountain, was named one of the most captivating caves on earth by National Geographic (Photo: VNA)

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