See kinetic and OP Art from over 50 International Kinetic Artists, incl. Calder, Agam, Cruz Diez, Soto, Tinguely, Rickey, Malina – and several Ralfonso kinetic sculptures at the “Mouvement & Lumiere” exhibition at the Frank Popper Centre in Marcigny, France, which will only stay open to November 3rd 2013