Meetings with remarkable ghosts

Christina Hardyment talks to Angela Palmer about her epic installation of rainforest giants outside the Oxford University Museum of Natural History

"Everything I do is made possible by collaboration," says Angela Palmer, creator of one of the most startling art installations ever seen in Oxford. Her Ghost Forest is made up of the colossal stumps and labyrinthine root boles of 10 mighty rainforest trees. The denya, the biggest, weighs 20 tons and is 300 years old. First seen in Trafalgar Square in November 2009, then in Copenhagen during the December 2009 UN Climate Change Conference, these spectacular tropical ambassadors are now rearing up to dramatic effect in front of the University's Museum of Natural History.

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