Pfaeffikon, Zurich, Switzerland
Leipzig, Sachsen, Germany
Aix-en-Provence, Provence-Alpes-Cote d'Azur, France
Duisburg, Nordrhein-Westfalen, Germany
Mannheim, Baden-Wuerttemberg, Germany
Freiburg im Breisgau, Baden-Wuerttemberg, Germany
Bonn, North Rhine-Westphalia, Germany
Châtillon, Île-de-France, France
Barcelona, Catalonia, Spain
Renkum, Gelderland, Netherlands
