Piazza del Duomo (Cathedral Square) is impossible to miss once in Milan, but what the tourists don't know is that the original part is not the façade, but the apse! Why the Duomo has been made in Gothic style? Where all its marble come from? Then, let's take a stroll through the Galleria, created as a way of connecting La Scala theatre to the Cathedral. In Piazza della Scala we find the monument to Leonardo Da Vinci!