A metal cage that guards a Wollemi pine, one of the world's oldest and rarest tree species, being lifted in the Royal Botanic Gardens to symbolize its release for sale to the public in Sydney, March 30, 2006. Although Wollemi pines were known from 90-million-year-old fossils, the first living specimen was discovered in 1994, about 200 km (125 miles) west of Sydney. Since that time, fewer than 100 mature Wollemi pines have been found in the wild.
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