"Behind a hill, as if knitted by giant grandmothers, lies this vast rabbit, to make you feel as small as a daisy," said group member Wolfgang Gantner. The artists want people to scale the rabbit's sides and fall asleep on its stomach...

Although the group is known for pushing the boundaries of modern art, the idea of giant art installations is not that new.

In June this year, artist Giancarlo Neri unveiled his giant writing desk and chair on Hampstead Heath. The sculpture, called The Writer, is 30ft high and has already become such a part of the London landscape that pranksters have been using it as a pizza delivery address.

One of the most famous outside installations is the Headington Shark. In 1986, Bill Heine put a 25ft shark through the roof of his house in Headington, Oxford.