ancient catacombs where once san gennaro was buried.

ancient archeological archeology basement burial buried burrow bury called carved catacombs caverns chamber chapel christian crypt cubiculum dark darkness death dig dug dugout excavation fresco gennaro gloomy grave graveside gravestone heritage italy layer mosaic naples nave netherworld old once paint painted rip rock romans san site stone structure subsoil subterranean tenebrous tomb tombs tombstone tourists touristy tuff undercroft underground vault vestibule visit wall was where