Art Out of the Ordinary You do not have to walk very far in any city today before seeing art plainly exhibited on the street. A building wall, sidewalk, traffic sign, or fence make an ideal canvas, transforming the urban landscape into an outdoor gallery. This art of the public space, widely referred to as graffiti or street art, has origins in the 1960s when it began as a subversive method of public communication for youth in Philadelphia and New York City. Over the last 40 years, a global phenomenon has taken over the streets of Paris, Berlin, Tokyo, Los Angeles, Toronto, London, Sao Palo,...