Where were the caves in How to Grow a Planet filmed?

The world's largest caves complex in "How to Grow a Planet", the BBC2 science and travel documentary presented by professor Iain Stewart, was filmed on location at Hang Son Doon in the Phong Nha-Ke Bang National Park in Vietnam

Hang Son Doon is the largest cave system in the world and was only discovered in 1991 by a local man. The cave system has with a large underground river running through it

TV Programme

Location

The Caves in How to Grow a Planet

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