Stockholm, Sweden
Bordeaux, Nouvelle-Aquitaine, France
Wien, Austria
Freiburg, Baden-Württemberg, Germany
Hanover, Lower Saxony, Germany
Freiburg im Breisgau, Baden-Wuerttemberg, Germany
Bayreuth, Bayern, Germany
Aachen, North Rhine-Westphalia, Germany
Köln, Nordrhein-Westfalen, Germany
Budapest, Hungary
