Leonardo often spent time at the castle during the late 1400s as a member of the court of Duke Ludovico Sforza, who commissioned the artist for a painting featured in the property’s Sala delle ...

Now, it is confirmed that they truly exist. A dozen secret tunnels have been discovered beneath the Sforza Castle in Milan.

Sources: official websites of the Milan Cathedral, the Sforza Castle ... to whom a separate hall inside is dedicated. The exposition of the castle includes rare objects of art, everyday items ...