Through the analysis of paradigmatic case-studies and a recognition in the territories of the internal areas of Friuli-Venezia Giulia, the research investigates the theme of the renaturalisation of disused site-spaces as exploration for a new urbanity. The return to nature is both a positive value regarding the more general theme of environmental quality, but also as a figurative point of view, or how these
spaces of nature can redefine a new image and a new idea of the city.