s. angelo romano, italian municipality in the metropolitan city of rome

039 ancient and angelo bell biagio calcareous capocci castle cave cerqueta church city clock construction cornicolani defense del fortification fortress glues grotta historic history houses italian italy karst latium maria medieval merro metropolitan morning mount mountains municipality natural old orsini orsinicesi outdoor parkland patulo porta pozzo rampart romano rome san sant santa season seasonal sinkhole sinkholes structure summer tower town urban urbanization wood