ancient architecture cathedral Cattedrale di Santa Maria del Fiore christian church cream decorative dome duomo elements firenze Florence historical intricate italian Italy landmark old ornamental ornate religion religious tourist attraction wall arch balcony basilica capital cattedrale marble ostentatious palatial power quality San Marco spire splendid St. Mark symbol symbolic Venice wealth gap figures green panels red door metal pillars arches window pink spirals hexagons scenes tower biblical carved lintel scene