British-born and -based artists Tim Noble and Sue Webster skilfully skirt the boundaries between beauty and the shadowier aspects of humanity, playing with our perceptions as well as our notions of taste. Many of their most notable pieces are made from piles of rubbish, with light projected against them to create a shadow image entirely different to that seen when looking directly at the deliberately disguised pile.

Environmental Graffiti: Incredible Shadow Art Created From Junk

(via Grinding)