Today the study of the fragmentation represents an important occasion to meditate on the city and on the evolution of the relational strategies of settlements. If we analyse in a critical way our contemporary cities, we can see several interventions of the last decades, that brought, more or less consciously, to discontinuity and isolation (gated communities to the new ghettos). In this situation the individual becomes part of a small community; but how long does it can go on? Are the public and sharing spaces, in which we can open ourselves to the city and in the same time we can develop a sense of identity and belonging, well designed? Are they at human scale? A tendency, that can be observed in the modern western cities, is the...