orvieto, terni, umbria, italy: the ancient pozzo di san patrizio, st. patrick`s well, of the 16th century, 54 meters deep

039 ancient antique archeology architecture bucket carved city dark deep depth engineering famous historic historical hole inside interior italian italy landmark legend medieval monument mystery old orvieto patrick patrizio picturesque pozzo ramp renaissance romantic saint san spiral staircase stone subterranean terni town travel tuff umbria underground water well window