medieval via arena, citta alta of bergamo, italy

bergamo citta alta cittadella gaetano donizetti italy lombardy magazzini del sale museo donizettiano palazzo della misericordia maggiore sala piatti santa grata arena alley alleyway architecture bell tower building church citadel edifice europe fortress hill house landmark mansion medieval narrow old town palace ruins salt warehouse sightseeing street tourism townhouse travel upper city urban wall walk hilly stone located