The cooperation with town an country planners, as Roberto Gambino, enabled the author to overcome the separation between geographical description and planning, conceiving descriptions as implicit projects and planning as a learning process, linked together in a circular performing way. This interactive cross fertilization is particularly clear when we consider the landscape as a symbolic representation intersecting and linking together ecosphere, semiosphere and sociosphere. This approach allow us to detect the “structural invariant” of places as the rules of sustainable transformation of them
