The issue of international migration, cultural and universal rights of individuals, the classification of the population in relation to temporary conditions of hospitality has become global. The rhetoric of return to belonging and lasting identity, the interdependence and the informality of the conditions of conflict have created permanent housing emergency conditions. Refugee camps are dramatic political expression of this issue. Despite this is a field of research and direct investigation in situations where access is often difficult, it is clear that settlements of this extension and life-span cannot consist in the combination of individual housing units, subjected to regimes of military security. Random and forced cohabitation necessarily develops some basic social functions, which should be considered by current refugee camp design, beyond the logic of emergency.