Hidden deep within the Vietnamese jungle, the world’s largest cave is drawing in visitors from around the globe.
Son Doong is over ten kilometres long, boasting two sinkholes and an impressive array of underground vegetation.
It was first explored by a team of British cavers in 2009, who enlisted the help of a local farmer to find the entrance. It has since become a hit with adventurers around the world, eager to explore the location’s complex network of tunnels.
“The reason why the cave is so big is the quality of the limestone,” explainsHoward Limbert, an expert studying the site.
“This is the oldest rock in Southeast Asia, 450 million years old. It’s
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