S.P.O.T, in Lyon, France.
S.P.O.T. [ Square Pieces Of Time ] was prestented for the first time during the famous Light Festival in Lyon « Fête des Lumières 2008 » on the façade of the Archives Municipales de Lyon.
Arrangement of square-shaped light modules in random motion, S.P.O.T. accurately represents time flowing. In other words : S.P.O.T. is a clock.