reverse graffiti--art less pollution

check out brazilian street artist alexandre orion who creates reverse graffiti and still gets harassed by sao paulo cops. he doesn't tag, he cleans city property. "For over two weeks last year, the Brazilian artist selectively scrubbed soot from the tunnel until the white surface underneath stared through as a cemetery's worth of skulls." read more here about the tunnel of skulls.

see his getaway in this video clip.