The survey of the entire external perimeter of the historical fortifications around the ideal city of Sabbioneta participate in the project: “Comune di Sabbioneta, Progetto di valorizzazione dell’ambito urbano delle Mura di Sabbioneta (MN), 2008-09”. The intervention belongs with the actions foreseen in the Management Plan of the UNESCO Site of Mantua and Sabbioneta, drawn up on the occasion of its nomination in the World Heritage List.