What an amazing idea coming out of England to replace ads on billboards, bus sheleters, tube station walls and shopping malls with reproductions of 57 popular works of art.
It's described by the founder as "a joyful project with no agenda other than to flood our streets with art and celebrate the creative talents and legacy of the U.K."
http://www.adweek.com/adfreak/art-replaces-ads-22000-billboards-and-other-out-home-sites-uk-152014