The piece symbolizes the fertility of the earth: the earthly sphere represented by a semi -circle, a seed bathed in the water is about to germinate, a vineyard, an olive branch and an ear grow on a tree trunk With the inscription "Nutrire Il Pianeta"(" Nourish the planet ") and on the right the monogram of the Italian Republic" RI "and the letter" R "for the currency of Rome. In the center, the Milano Expo logo 2015.