MILAN, ITALY - APRIL 17: 'Mutable Spirit' is displayed at the Triennale Milano on April 17, 2012 in Milan, Italy. (Photo by Tullio M. Puglia/Getty Images)
MILAN, ITALY - APRIL 17: 'Mutable Spirit' is displayed at the Triennale Milano on April 17, 2012 in Milan, Italy. (Photo by Tullio M. Puglia/Getty Images)