At the center of the main square of the city, Piazza Dante or Delle Catene, stands the monument dedicated to Leopold II of Lorraine: a marble group depicting the Grand Duke Leopold II of Lorraine in the act of lifting the Maremma from malaria, when the arrival of the first heat the disease left no way out and began the exodus of the Estatatura of citizens and public offices to the healthiest countries and the city was empty until autumn.
Hemp, so called by Grosseto for the color of hair and beard, was much loved by Grosseto his contemporaries, Precisely because he believed in many works of restoration of the territory and for this they commissioned the artist Luigi Magi an allegorical statue, in neoclassical style, that represented it and that reached everyone the affection they felt towards "their" Grand Duke.