THE 2015 World's Fair, held in Milan, was an unexpected success. It showcased a sleek, self-confident city, all trendy architecture and eco-friendly design. How things have changed. In the 1960s, Milan was a grubby, electrifying place. Industry choked the streets, and petty crime was rife. Milan was also different linguistically.

THE 2015 World's Fair, held in Milan, was an unexpected success. It showcased a sleek, self-confident city, all trendy architecture and eco-friendly design. How things have changed. In the 1960s, Milan was a grubby, electrifying place. Industry choked the streets, and petty crime was rife. Milan was also different linguistically.