Here are a selection of images from his recent trip to the Palestinian territories, where he has created nine of his images on Israel's highly controversial 425-mile-long West Bank barrier. Separating Israel from the Palestinian territories, is considered illegal by the United Nations.
One of the pictures shows two gleeful children with bucket and spade standing beneath a hole in the wall that opens on to a vista of a tropical paradise. In another, he has transformed the wall into a cosy sitting room complete with two enormous armchairs and a window that frames an alpine landscape.
Other pictures show a little...
I found another old-ish Pet Bird sticker, which I don't think anyone has posted here before. I passed it stuck to a phone-company box on the east side of Prospect Place, just before it intersects with Underhill Avenue, heading up...