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In Vietnam, A Rush To Save The World's Largest Cave From The Masses

By Nick Visser

The world’s largest cave, the mammoth Hong Son Doong in Vietnam, is a relative babe-in-arms when it comes to natural history: The cavern was first discovered in 1991, then lost, then found again before it was first explored in 2009. But less than a decade later, environmentalists are scrambling to save the site from thousands of tourists and a development company set on thrusting a cable car into its depths.

Located in Phong Nha-Ke Bang national park, a UNESCO World Heritage Site, Son Doong stretches more than 5.5 miles underground, reaches …read more

Source:: Huffington Post Green