Street Art exhibition

A girl pasts in front of a wall painted by graffiti artist Panmela Castro in Rio's Gamboa district as part of Arte Rua (street art), International Contemporary Art Fair of Rio de Janeiro, Rio de Janeiro, Brazil, September 10, 2011. (Austral Foto/Renzo Gostoli)
A man pasts in front of a wall painted by graffiti artists in Rio's Gamboa district as part of Arte Rua (street art), International Contemporary Art Fair of Rio de Janeiro, Rio de Janeiro, Brazil, September 10, 2011. (Austral Foto/Renzo Gostoli)
A woman and her daughter past in front of a wall painted by graffiti artists in Rio's Gamboa district as part of Arte Rua (street art), International Contemporary Art Fair of Rio de Janeiro, Rio de Janeiro, Brazil, September 10, 2011. (Austral Foto/Renzo Gostoli)
A man pasts in front of a wall painted by graffiti artists in Rio's Gamboa district as part of Arte Rua (street art), International Contemporary Art Fair of Rio de Janeiro, Rio de Janeiro, Brazil, September 10, 2011. (Austral Foto/Renzo Gostoli)
Graffiti artists paint on the wall of a house in Rio's Gamboa district as part of ArtRio, International Contemporary Art Fair of Rio de Janeiro, Rio de Janeiro, Brazil, September 10, 2011. (Austral Foto/Renzo Gostoli)
A child past in front of a wall painted by graffiti artists in Rio's Gamboa district as part of Arte Rua (street art), International Contemporary Art Fair of Rio de Janeiro, Rio de Janeiro, Brazil, September 10, 2011. (Austral Foto/Renzo Gostoli)
A handmaid cleans a statue exposed in a street art gallery as part of ArtRio, International Contemporary Art Fair of Rio de Janeiro, Rio de Janeiro, Brazil, September 7, 2011. (Austral Foto/Renzo Gostoli)
A visitor looks at work of graffiti artist exposed in a street art gallery as part of ArtRio, International Contemporary Art Fair of Rio de Janeiro, Rio de Janeiro, Brazil, September 7, 2011. (Austral Foto/Renzo Gostoli)
Artist Panmela Castro stay in front of her graffiti painted on the wall of a house in Rio's Gamboa district as part of ArtRio, International Contemporary Art Fair of Rio de Janeiro, Rio de Janeiro, Brazil, September 7, 2011. (Austral Foto/Renzo Gostoli)
A graffiti artist paints on the wall of a house in Rio's Gamboa district as part of ArtRio, International Contemporary Art Fair of Rio de Janeiro, Rio de Janeiro, Brazil, September 7, 2011. (Austral Foto/Renzo Gostoli)
A graffiti artist paints on the wall of a house in Rio's Gamboa district as part of ArtRio, International Contemporary Art Fair of Rio de Janeiro, Rio de Janeiro, Brazil, September 7, 2011. (Austral Foto/Renzo Gostoli)
A graffiti artist paints on the wall of a house in Rio's Gamboa district as part of ArtRio, International Contemporary Art Fair of Rio de Janeiro, Rio de Janeiro, Brazil, September 7, 2011. (Austral Foto/Renzo Gostoli)
A graffiti artist paints on the wall of a house in Rio's Gamboa district as part of ArtRio, International Contemporary Art Fair of Rio de Janeiro, Rio de Janeiro, Brazil, September 7, 2011. (Austral Foto/Renzo Gostoli)