Son Doong Cave, a UNESCO World Heritage Site, is nestled deep in the jungles of the Phong Nha-Ke Bang National Park in Vietnam. Son Doong is the world’s largest of its kind, featuring the planet’s largest chamber measuring 183 meters high (600-feet), 91 meters wide (300-feet), and over 4km’s (2.5-miles) long. The scale of the site’s interior is so large that it could fit an entire 40-storey block from New York City inside or have a Boeing 747 comfortably fly through without the wings being in an

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