Graffiti Drawings By Banksy

At London Zoo, he climbed into the penguin enclosure and painted "We're bored fish" in 7-foot-high (2.1 m) letters.
At Bristol Zoo, he left the message 'I want out. This place is too cold. Keeper smells. Boring, boring, boring.' in the elephant enclosure.
In March 2005, he placed subverted artworks in the Museum Modern Art, Metropolitan Museum Art, the Brooklyn Museum, and the American Museum Natural History in New York.
In May 2005 Banksy's version a primitive cave painting depicting a human figure hunting wildlife whilst pushing a shopping trolley was hung in gallery 49 the British Museum, London. Upon discovery, they added it to their permanent collection.