Grafitti source:

http://vandalkings.blogspot.com.br/2012/02/entrevista-gueto-pv-linha-163.html
http://subsoloart.com/blog/tag/bombs/page/32/
http://subsoloart.com/blog/2012/02/entrevista-com-o-grafiteiro-gueto-pv-de-sp/graffiti-throw-up-de-gueto-pv-em-sao-paulo/
http://wallpaperswide.com/graffiti_ghetto-wallpapers.html
http://flickrhivemind.net/Tags/tox06/Interesting
http://hdimagegallery.net/banlieue+paris+suburbs
http://www.puregraffiti.com/graffiti-gallery/showphoto.php?photo=226512