With the book “La Città e i suoi numeri” (The city and its numbers) Urban Lab (ex Urban Center Center Metropolitano), in collaboration with Rapporto Giorgio Rota – Centro di Ricerca Luigi Einaudi, has gathered some of the most significant information about our territory. Numbers providing useful elements to understand the city, its changes and future prospects of development also on a metropolitan scale. An effective tool to support anyone interested in the city and its evolution.