Linkoping, Ostergotland, Sweden
Stockholm, Stockholm, Sweden
Marseille, Provence-Alpes-Côte d'Azur, France
Fontaine, Rhône-Alpes, France
Cologne, North Rhine-Westphalia, Germany
Pamplona/Iruna, Navarre (Community of), Spain
Ljubljana, Ljubljana, Slovenia
Lyon, Rhone-Alpes, France