Son Doong - World’s Largest Cave

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Son Doong - World’s Largest Cave

The Phong Nha-Ke Bang National Park in Vietnam contains the oldest karst system in Asia, between 400-450 million years old. Hang Son Doong (Son Doong Cave) itself is relatively young, with the analysis of sediment dating it to be only 3 million years old.
17 July, 2023 Hong Nhung
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