BRISTOL, ENGLAND - AUGUST 17: Graffitti artists begin working on what is set to be the UK's largest street art project on August 17, 2011 in Bristol, England. The See No Evil art project on Nelson ... more 
BRISTOL, ENGLAND - AUGUST 17: Graffitti artists begin working on what is set to be the UK's largest street art project on August 17, 2011 in Bristol, England. The See No Evil art project on Nelson Street in Bristol will see several multi story buildings in the street covered with art over the coming days (Photo by Matt Cardy/Getty Images) less 
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Getty Images | Photo By Matt Cardy / Getty Images
Thu, Aug 18, 2011 7:34 AM EDT