A Rome-based multi-disciplinary collective that works on ‘public infrastructure’, meaning initiatives able to interact with local citizens and shared urban environments, activating relationships and engaging new social actors. What they call ‘public relational spaces’ are often self-built and are the result of a collective process that reveals other possible functions for housing: they catalyse experience, build new modes of social aggregation and follow consolidated, participative practices to create new connections between people and between communities.