napoli - uscita delle catacombe di san gaudioso nella basilica di santa maria della sanita

naples catacombs san gaudioso catacomb necropolis cemetery area church santa maria sanitanbsp basilica interior hypogeum underground tombs fresco arcosolium aedicula niche burial ambulatory skulls skeleton drain draining dead early christian museum greek cross dome cloister monumental complex religious madonna african bishop septimius caelius gaudiosus religion catholic place worship 4th century historic centre city unesco archdiocese giovanni balducci via rione quartiere stella capodimonte hill lucamato campania italy