(01 of17)
Open Image Modal'See No Evil' street art project (detail) is displayed at Nelson Street on August 17, 2012 in Bristol, England. The project, now in its second year, is Europe's biggest street art festival and has attracted top graffiti artists from all over the world. Organizers hope it will continue to be a draw for tourists visiting Bristol, often seen the spiritual home of underground artist Banksy. (Photo by Matt Cardy/Getty Images)
(02 of17)
Open Image Modal'See No Evil' street art project (detail) is displayed at Nelson Street on August 17, 2012 in Bristol, England. The project, now in its second year, is Europe's biggest street art festival and has attracted top graffiti artists from all over the world. Organizers hope it will continue to be a draw for tourists visiting Bristol, often seen the spiritual home of underground artist Banksy. (Photo by Matt Cardy/Getty Images)
(03 of17)
Open Image ModalPeople walk past part of the 'See No Evil' street art project at Nelson Street on August 17, 2012 in Bristol, England. The project, now in its second year, is Europe's biggest street art festival and has attracted top graffiti artists from all over the world. Organizers hope it will continue to be a draw for tourists visiting Bristol, often seen the spiritual home of underground artist Banksy. (Photo by Matt Cardy/Getty Images)
(04 of17)
Open Image Modal'See No Evil' street art project (detail) is displayed at Nelson Street on August 17, 2012 in Bristol, England. The project, now in its second year, is Europe's biggest street art festival and has attracted top graffiti artists from all over the world. Organizers hope it will continue to be a draw for tourists visiting Bristol, often seen the spiritual home of underground artist Banksy. (Photo by Matt Cardy/Getty Images)
(05 of17)
Open Image Modal'See No Evil' street art project (detail) is displayed at Nelson Street on August 17, 2012 in Bristol, England. The project, now in its second year, is Europe's biggest street art festival and has attracted top graffiti artists from all over the world. Organizers hope it will continue to be a draw for tourists visiting Bristol, often seen the spiritual home of underground artist Banksy. (Photo by Matt Cardy/Getty Images)
(06 of17)
Open Image Modal'See No Evil' street art project (detail) is displayed at Nelson Street on August 17, 2012 in Bristol, England. The project, now in its second year, is Europe's biggest street art festival and has attracted top graffiti artists from all over the world. Organizers hope it will continue to be a draw for tourists visiting Bristol, often seen the spiritual home of underground artist Banksy. (Photo by Matt Cardy/Getty Images)
(07 of17)
Open Image ModalAn artist continues to work on part of the 'See No Evil' street art project at Nelson Street on August 17, 2012 in Bristol, England. The project, now in its second year, is Europe's biggest street art festival and has attracted top graffiti artists from all over the world. Organizers hope it will continue to be a draw for tourists visiting Bristol, often seen the spiritual home of underground artist Banksy. (Photo by Matt Cardy/Getty Images)
(08 of17)
Open Image ModalA man walks in front of part of the 'See No Evil' street art project at Nelson Street on August 17, 2012 in Bristol, England. The project, now in its second year, is Europe's biggest street art festival and has attracted top graffiti artists from all over the world. Organizers hope it will continue to be a draw for tourists visiting Bristol, often seen the spiritual home of underground artist Banksy. (Photo by Matt Cardy/Getty Images)
(09 of17)
Open Image ModalA artist continues to work on part of the 'See No Evil' street art project at Nelson Street on August 17, 2012 in Bristol, England. The project, now in its second year, is Europe's biggest street art festival and has attracted top graffiti artists from all over the world. Organizers hope it will continue to be a draw for tourists visiting Bristol, often seen the spiritual home of underground artist Banksy. (Photo by Matt Cardy/Getty Images)
(10 of17)
Open Image ModalA man photographs part of the 'See No Evil' street art project at Nelson Street on August 17, 2012 in Bristol, England. The project, now in its second year, is Europe's biggest street art festival and has attracted top graffiti artists from all over the world. Organizers hope it will continue to be a draw for tourists visiting Bristol, often seen the spiritual home of underground artist Banksy. (Photo by Matt Cardy/Getty Images)
(11 of17)
Open Image Modal'See No Evil' street art project (detail) is displayed at Nelson Street on August 17, 2012 in Bristol, England. The project, now in its second year, is Europe's biggest street art festival and has attracted top graffiti artists from all over the world. Organizers hope it will continue to be a draw for tourists visiting Bristol, often seen the spiritual home of underground artist Banksy. (Photo by Matt Cardy/Getty Images)
(12 of17)
Open Image ModalPeople walk in front of part of the 'See No Evil' street art project at Nelson Street on August 17, 2012 in Bristol, England. The project, now in its second year, is Europe's biggest street art festival and has attracted top graffiti artists from all over the world. Organizers hope it will continue to be a draw for tourists visiting Bristol, often seen the spiritual home of underground artist Banksy. (Photo by Matt Cardy/Getty Images)
(13 of17)
Open Image ModalAn artist continues to work on part of the 'See No Evil' street art project at Nelson Street on August 17, 2012 in Bristol, England. The project, now in its second year, is Europe's biggest street art festival and has attracted top graffiti artists from all over the world. Organizers hope it will continue to be a draw for tourists visiting Bristol, often seen the spiritual home of underground artist Banksy. (Photo by Matt Cardy/Getty Images)
(14 of17)
Open Image ModalArtists continue to work on part of the 'See No Evil' street art project at Nelson Street on August 17, 2012 in Bristol, England. The project, now in its second year, is Europe's biggest street art festival and has attracted top graffiti artists from all over the world. Organizers hope it will continue to be a draw for tourists visiting Bristol, often seen the spiritual home of underground artist Banksy. (Photo by Matt Cardy/Getty Images)
(15 of17)
Open Image ModalParts of the 'See No Evil' street art project is displayed at Nelson Street on August 17, 2012 in Bristol, England. The project, now in its second year, is Europe's biggest street art festival and has attracted top graffiti artists from all over the world. Organizers hope it will continue to be a draw for tourists visiting Bristol, often seen the spiritual home of underground artist Banksy. (Photo by Matt Cardy/Getty Images)
(16 of17)
Open Image ModalParts of the 'See No Evil' street art project is displayed at Nelson Street on August 17, 2012 in Bristol, England. The project, now in its second year, is Europe's biggest street art festival and has attracted top graffiti artists from all over the world. Organizers hope it will continue to be a draw for tourists visiting Bristol, often seen the spiritual home of underground artist Banksy. (Photo by Matt Cardy/Getty Images)
(17 of17)
Open Image Modal'See No Evil' street art project (detail) is displayed at Nelson Street on August 17, 2012 in Bristol, England. The project, now in its second year, is Europe's biggest street art festival and has attracted top graffiti artists from all over the world. Organizers hope it will continue to be a draw for tourists visiting Bristol, often seen the spiritual home of underground artist Banksy. (Photo by Matt Cardy/Getty Images)