two towers (le due torri garisenda e degli asinelli) as s of medieval bologna, emilia-romagna, italy

square panorama torri landscape ugo bassi petronio torre garisenda asinelli dei banchi bologna panoramic maggiore basilica two towers bolognese city deli artistic italy fortification emilia romagna tuscany monument travel history italian medieval town tower architecture europe emiliaromagna building architectural brick tourism piazza porta ravegnana traditional heritage landmark cityscape degli symbols emilia-romagna italy