milan, italy, europe, sforza castle, castello sforzesco, museum, courtyard, court, tower, filarete

15th ancient antique antonio arch architecture art averlino bell blue bricks building built castello castle central century city clock court courtyard decoration del details duke entrance europe filarete fort fortification fortress francesco galeazzo gate historic housing icon iconic italian italy landmark medieval milan milano monument museum museums now old ornament pietro red renaissance retro several sforza sforzesco sky symbol symbolic torre tourism tower travel visconti wall