Muenster, North Rhine-Westphalia, Germany
Hamburg, Hamburg, Germany
Nantes, Pays de la Loire, France
Freiburg im Breisgau, Baden-Wuerttemberg, Germany
Castile and León, Spain
Jena, Thuringia, Germany
Braunschweig, Lower Saxony, Germany
bremen, bremen, Germany
Berlin, Berlin, Germany
Freiburg, Germany
