Reception of the participants, presentation of the Fondation Braillard Architectes and its missions on the one hand, and of the philosophy, expectations and modalities of the Transition Workshop on the other. Thus are laid the premisses for interactive and collaborative work combining scientific knowledge, strategic foresight and conceptual and technical know-how in an unparalleled  way, with the aim of eventually integrating the group into the active community of Transition Fellows.