Departure from the pier of Ravenna. The 2, 5 hrs guided tour of storical center of Bologna: Piazza Maggiore, the heart of Bologna with its main red coloured buildings: the City Hall, the Podestà Palace, the famous Neptune's Fountain, the King Enzo's Palace, the Sala Borsa and the Basilica of Saint Petronio and the ancient seat of University. Then the stroll through the historical Food Market towards the gothic Merchants' Palace and the Two Leaning Towers, Asinelli and Garisenda. Free time for shopping and lunch (about 2, 5 hrs). Return to the Port.