MILAN, ITALY - APRIL 25: A general view of San Babila square displaying the logo of Expo Milano 2015 on April 25, 2015 in Milan, Italy. (Photo by Pier Marco Tacca/Getty Images)
MILAN, ITALY - APRIL 25: A general view of San Babila square displaying the logo of Expo Milano 2015 on April 25, 2015 in Milan, Italy. (Photo by Pier Marco Tacca/Getty Images)