http://www.google.co.uk/search?hl=en&sugexp=ppwl&cp=8&gs_id=13&xhr=t&q=street+art&gs_sm=&gs_upl=&bav=on.2,or.r_gc.r_pw.,cf.osb&biw=1280&bih=567&um=1&ie=UTF-8&tbm=isch&source=og&sa=N&tab=wi#um=1&hl=en&tbm=isch&sa=X&ei=N2y-ToTVEpOz8QOwqOzUCA&ved=0CDsQvwUoAQ&q=3d+street+art+in+the+making%23&spell=1&bav=on.2,or.r_gc.r_pw.,cf.osb&fp=f62fa2f5a2a8c23&biw=1280&bih=567

http://wordlesstech.com/2011/02/26/3d-street-art/

street art