the walls and bona di savoia tower of piazza d'armi in sforza's castle, milan, italy

bona savoia castello sforzesco corte maggiore courtyard arms italy lombardia lombardy milan milano piazza desup2 eecopy armi sforza castle arcade architecture building city cityscape district edifice europe fortress gate heritage historic house landmark loggia mansion medieval old panorama park renaissance sightseeing spanish hospital square street style tourism tourists tower travel unesco urban wall walls sforza's d'armi