Image ARD Image Deutsche Bundesbank Image everyworks Image Federal Ministry of Education and Research Image German Trade Union Confederation Image o2 Telefónica Image Rechargy - Powerbank To Go Image Senate Department for Economics, Energy and Public Enterprises Image ZDF Partner Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Media partner Image Image Image Image Image Image Image Cooperation partner Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image