Iris, Fior di Giuggiolo, Fleur-de-lys: Why?

Iris, Fior di Giuggiolo, Fleur-de-lys: Why?
In this period it is easy to walk through the streets of Florence and notice the presence of the lily, considered the symbol of the city, on many statues, buildings...
Iris, Fior di Giuggiolo, Fleur-de-lys: Why?
In this period it is easy to walk through the streets of Florence and notice the presence of the lily, considered the symbol of the city, on many statues, buildings...