Grand Duke Ferdinand I appointed the construction of the Sanctuary exactly where the miraculous spring appeared .
This sanctuary was built in 1602 by the Grand Duke Ferdinand I De Medici and is the located at the heart of Monsummano Terme .
Grand Duke Ferdinand I De Medici   appointed the construction of the Sanctuary exactly where the miraculous spring appeared .
This sanctuary was built in 1602 by the Grand Duke Ferdinand I De Medici and is the located at the heart of Monsummano Terme .