Billets de blog
Pisté sur le net par Sandra Fiori Contributors: Aymeric Bôle-Richard, Daniel Malet, Daniel Sauter, Gerard Horta, Heiner Monheim, Jim Walker, Nicole Muhrad, Ralf Risser, Rob Methorst, Rodolfo Soares, Victor Meirinhos. Anexes: Walk21's International Charter for Walking and the Portuguese Charter of Pe...