The top secret mission to preserve the 'botanical find of the century' | 7.30 

The Wollemi Pine is a prehistoric species that's outlived the dinosaurs, but fewer than 90 trees remain in the wild, with its future threatened by disease and natural disaster. A team of conservationists has been planting hundreds more in hidden locations across the Blue Mountains. 730's Kamin Gock takes us on an incredible journey to one of those sites. The location is so closely guarded that our team was sworn to secrecy
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