XtreeE is participating in the USH (Union Sociale pour l’Habitat, the national union of social housing organisations) Congress, the 27th, 28th and 29th of September at the Parc des Expositions de la Beaujoire in Nantes, in collaboration with Habitat 76 ! On this occasion, XtreeE printed a new wall, more pictures and informations about it will be available on our projects page soon !