Located at the limits of the property two buildings at South and West form a shield, like an outstretched hand protecting the inner space from the noise, direct sunlight and glare. Facing the city these volumes, with their double skinned dynamic facades, together with the other buildings with their more sereine facades at the North-West and the North the whole forms a setting as a show of power but also invites to reflexion and well-being. A very strict HQE (enery efficiency) program has been incorporated into the design.