Street art in New York by renowned graffiti artist Banksy

Banksy is famous for illegal outdoor graffiti, including painting the West Bank barrier and leaving a life-size figure of a Guantanamo Bay detainee at California theme park Disneyland. From a small-time graffiti artist to a global star, Banksy's work has become so valuable that several of his street works have been salvaged and sold, including a painting on a London wall that fetched 208,100 pounds ($340,000) in 2008. He has recently taken over the streets of New York with his art: