Wander inside INFINITY TREE and discover why trees are such incredible living things. Find out how trees grow, how they reach such amazing heights and how some of them live for thousands of years. Learn about all the things we get from trees - from foods and fibres to oils and medicines - and discover how they clean the air we breathe. Then explore the different types of forest, from the Arctic to the tropics, and see how they are faring in our fast-changing world.