Global 3000 # ideasforacoolerworld # Green City Hamburg # 18.10.2010To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoMarcus Schlench18/10/201018 de octubre de 2010hamburg, nachhaltigkeit, umwelthauptstadt, klima, klimaschutz, ideasforacoolerworldhttps://p.dw.com/p/Ph0qPublicidad