The Strade Nuove and the system of the Palazzi dei Rolli in the historic center of Genoa are chronologically placed between the end of the sixteenth century and the beginning of the seventeenth century, when the Republic of Genoa was at the height of its financial and maritime power. The site was registered in 2006 as a World Heritage Site by UNESCO, as it represents the first example in Europe of an urban development project divided into lots by the public authority with a unitary project, associated with a particular system of "public housing" in private residences, belonging to the richest and most powerful aristocratic families of the Republic of Genoa, decreed by the Senate in 1576. The site includes a set of Renaissance and Baroque palaces built along the "Strade Nuove". The Palazzi dei Rolli offer an extraordinary variety of different solutions, they are characterized by spectacular staircases, courtyards and loggias overlooking gardens, built on different levels in a relatively small space. They also offer an original example of a system of private residences designed to give hospitality to illustrious visiting figures...