Karlsruhe, Baden-Württemberg, Germany
Clermont-Ferrand, Auvergne, France
Muenster, North Rhine-Westphalia, Germany
Nantes, Pays de la Loire, France
Heidelberg, Baden-Wuerttemberg, Germany
Dresden, Saxony, Germany
bremen, bremen, Germany
Hamburg, Hamburg, Germany
Berlin, Berlin, Germany
Freiburg, Germany
