Nowadays, communalism and isolationism and its society that is increasingly larger. Through Solidarity Mediterranean Trails (PSM), Delphine, Youth-worker in the youth center of "Foyer des Jeunes des Marolles" in Brussels and Pierre-Arnaud, sports coordinator of the House for All Cart / Joliette in Marseille are related to setting up a Youth Exchange. By sensibility and work of everyone around the ...