"During the last fifteen years the concept of "place" has taken on an increasingly central role in the works of several social and environmental psychologists like Canter (1977, 1988), Stokols (1981), Russel and Ward (1982), Proshansky, Fabian and Kaminoff (1983), Holahan (1985), Altman (1986), and others. Particularly, many authors have attempted to identify this construct and to acknowledge the place-specific nature of all human behaviour. Generally speaking "place" may be defined as an "experience unity" or psychological unity referring to specific physical settings (Canter, 1986; Russell & Ward, 1982). It has three main components: physical properties, evaluative conceptualization, and activities carried out in it. Thus, place theory considers actions, carried on by people in relation to a specific setting, to be one of the main components of the psychology of place and of person/environment relationship. Looking for a more complete place theory, some authors recently stressed the importance to consider a perspective defined as "place system" (Rapoport, 1986, 1990) or "inter-place system" (Bonnes, Mannetti, Secchiaroli & Tanucci, 1990; Bonnes, Secchiaroli & Mazzotta, 1992; Bonnes & Secchiaroli, 1992)."