Aachen, North Rhine-Westphalia, Germany
Trollhättan, Västra Götalands län, Sweden
Antibes, Provence-Alpes-Côte d'Azur, France
Villach, Carinthia, Austria
Leipzig, Sachsen, Germany
Köln, Nordrhein-Westfalen, Germany
Chemnitz, Saxony, Germany
Cervignano del Friuli, Province of Udine, Italy
Sydney, New South Wales, Australia