Energetic rehabilitation of the customer hall of the Sparkasse Bank, Aschaffenburg

    Energetic rehabilitation of the customer hall of the Sparkasse Bank, Aschaffenburg

    Seminar building, Bochum

    Seminar building, Bochum

    Convention and Conference Center 'Stadthalle', Karlsruhe

    Convention and Conference Center ‘Stadthalle’, Karlsruhe