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LiveScience
LiveScience
Sascha Pare

Hang Son Doong: The world's biggest cave, so 'outrageous in size' it fits 2 jungles and the 'Great Wall of Vietnam'

View of an opening to Son Doong cave in Vietnam. Light filters into the cave and we see people camping on a ledge.
QUICK FACTS

Name: Hang Son Doong

Location: Quang Binh Province, Vietnam

Coordinates: 17.54696024669416, 106.14398574081777

Why it's incredible: The cave is the biggest in the world and contains two jungles.

Hang Son Doong is the world's largest known cave, with enough space in some of its passages to fly a Boeing 747 airplane through them. The limestone cavern sits beneath a lush jungle in Vietnam's Phong Nha-Ke Bang National Park and hosts primeval forests that thrive thanks to giant "skylights" in the rock.

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