Does the questioning of psychic space shatter the topographies? Following on from the two reports, what changes should be made? Faced with extreme collective traumas, is the interplay between the ego and superego still possible? Humour is a prime example. But what traces are kept and transmitted from experiences that are truly unassimilable? Where are they located? The reflection on “cities of refuge” (Levinas) and the introduction of the Makom raises the question of the place of infinity.