As Doreen Massey (2005) pointed out, space matters. Does public space still matter today? Since the early seventies, several studies have explored public space as an emerging, and in many ways innovative, universe of actors, spatiality and socio-territorial practices which invaded the public spheres of our cities (Habermas, 1979;Rossi, 2008). However, 'public space' may have a wide variety of interpretations which relate to a semantic overlapping between a sensitive material sphere -The Space-and an intangible metaphorical sphere -The
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