Formerly occupied by the Alcatel technical center, Bahia is the result of a restructuring project in Nanterre (Hauts-de-Seine). Its owner, Arizona Asset Management, is partly hosting a campus of start-ups specializing in greentech. The building, which has just been inaugurated after two years of work, had previously housed Alcatel and then SFR R&D laboratories. Business Immo takes you on an exclusive tour .