Bologna the 'Dotta', the 'Grassa', the 'Rossa'. The city's three nicknames exhaustively explain the city's soul: 'Dotta' because it is a city rich in history and art and because it is home to the oldest university in the western world (1088), attended in the past by illustrious figures such as Dante, Petrarch, Boccaccio and Copernicus. The reason for Grassa is simple: mortadella, tortellini, ragù, the food par excellence. To find out why 'Rossa', climb up the Asinelli Tower; the shades you can admire are all in the tone of red