Nantes, Loire Atlantique, France
Cologne, North Rhine-Westphalia, Germany
Lübeck, Schleswig-Holstein, Germany
Halle (Saale), Sachsen-Anhalt, Germany
Eschweiler, North Rhine-Westphalia, Germany
Karlsruhe, Baden-Württemberg, Germany
Freiburg, Baden-Württemberg, Germany
Beulich, Rhineland-Palatinate, Germany
Toulouse, Midi-Pyrénées, France
Freiburg im Breisgau, Baden-Wuerttemberg, Germany
Lisboa, Lisboa, Portugal
Koblenz, Rhineland-Palatinate, Germany
