Legophemera FTW. If you have not yet seen this street art illusion of a Lego terra cotta army, watch now – before your techie-artsy-hipster cred is permanently diminished!
Video: “Lego Army,” by Leon Keer at the Sarasota Chalk Festival 2011.
(Relatedly, I wrote a post about anamorphic illusions at Scienceblogs a couple of years ago.)