Artist Rachel Sussman spent almost a decade journeying across the world and photographing 'The Oldest Living Things In The World' and has now published the results in a remarkable book.
Here's two of the world's oldest living trees, both in Australia.
The first is an eucalypt, it's location is secret, but it's somewhere in New South Wales. The tree system is believed to be an extraordinary 13,000 years old.
This is a 6000 year old Antarctic Beech, in Lamington National Park, Queensland:
