Economie Autonomisante, Activité, Autogestion, Nature ... 119

120 : http://www.dailymotion.com/video/xxpko4_economie-autonomisante-activite-autogestion-nature-120_news <br />1 : http://www.dailymotion.com/video/xfpl2l_economie-autonomisante-activite-autogestion-nature-1_news <br /><br />Un trottoir source d'energie electrique