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MILAN, ITALY - MAY 02: General view of the Pavilions during the Milano EXPO 2015 at Fiera Milano Rho on May 2, 2015 in Milan, Italy. (Photo by Ernesto Ruscio/Getty Images)

MILAN, ITALY - MAY 02:  General view of the Pavilions during the Milano EXPO 2015 at Fiera Milano Rho on May 2, 2015 in Milan, Italy.  (Photo by Ernesto Ruscio/Getty Images)