Marble Battistero Campanile and Duomo in Florence with blue sky

octogonal; Battistero; baptistery; Duomo; basilica; cathedral; Santa Maria; del Fiori; Saint; Mary; of the Flower; Campanile; bell; tower; Giotto; lily; Renaissance; architecture; travel; city; tourism; Florence; Tuscany; Italy; catholic; church; italian; artists; gothic; romanesque; Arnolfo; Cambio; green; white; red; marble; architecture; engineering; facade; blue sky; ornate; building