Hang Son Doong in Vietnam is the world’s largest cave. One of its chambers more than 3 miles long, 660 feet high and 490 feet wide. Hang Son Doong is essentially a microclimate; with its own river, jungle and beaches. Due to its sheer size and diversity of nature, Hang Son Doong would be impossible to comprehend from any other angle than the sky - so photographer Ryan Deboodt and his team spent 10 hours wondering around this incredible system of sink holes, sky lights and rivers with a drone. Check out the amazing footage.
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