"The experiment we are presenting here endeavours to apply obser vations of human behaviour to the fields of land-development, planning and architecture so as to arrive at operational solu tions better adjusted to users' needs and demands. Thus we attempted to understand the process of appropriation of some spaces experienced by a "social milieu" representative of a groun of people, characterized by behaviours, ways of life, specific : ways of thinking, relationships to the environment. In a way we attempted to recognize the complicity between physical space and life, to experience space as the "pratice" of a "social milieu" and to bring to light the factors governing the indis pensable conditions of appropriation dynamics."