Urban hiking:Hendrik Sturm& Stalker Exploration urbaine à Marseille avec le collectif Stalker/Osservatorio Nomade et Hendrik Sturm, artiste-marcheur Stalker a Marsiglia Stalker a Marsiglia Stalker a Marsiglia Stalker a Marsiglia Stalker a Marsiglia Stalker a Marsiglia Stalker a Marsiglia Stalker a Marsiglia Stalker a Marsiglia Stalker a Marsiglia Stalker a Marsiglia Stalker a Marsiglia Stalker a Marsiglia Stalker a Marsiglia Stalker a Marsiglia