Dżon Bążowi

Dżon Bążowi

Dżon Bążowi
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This beautiful cave in Vietnam contains a jungle, is big enough to house a skyscraper, and was only discovered in 2009.

Explore the ancient caves of Hang Son Doong, Vietnam. Hang Son Doong is one of the largest caves in the world and features a fast-flowing underground river. For spelunkers, exploring Hang Son Doong is the equivalent of scaling Mount Everest.