High Security: 150 creepy cameras installed on 1 blank wall

"While the prop cams are both inactive in practice and redundant in theory (since they all appear to be looking at the same spot), the effect of feeling watched by many eyes is still disproportionately unsettling."

http://weburbanist.com/2014/01/02/high-security-150-creepy-cameras-installed-on-1-blank-wall/