The transformation of Via Tortona, which was started by the businessman Alessandro Cajrati Crivelli back in the 1990s, is continuing, revealing its full potential for redeveloping and reinterpreting some of the most interesting urban spots in the metropolis. A building project which salvages a former industrial plant covering 25,000 square metres (it used to belong to General Electric) and restores it to the city through cutting-edge energy-efficient technology.