optical illusion

American street artist Kurt Wenner adds the  finishing  touches to a 3-D work of art at waterloo station in London England. The classically  inspired  wenner  has Pioneered  an art form known as anamorphic  in which a street painting creates an optical illusion by popping up in 3-d when viewed from a certain angle. Here he appears to sit obliviously on a sofa while a taxi crashes through the walls the house.