Odense V., Denmark
Saronno, Lombardy, Italy
Paris, Ile-de-France, France
Brussels, Belgium
Sergy, Auvergne-Rhône-Alpes, France
Brno, South Moravian Region, Czech Republic
Ottignies-Louvain-la-Neuve, Brabant Walloon, Belgium
Magdeburg, Saxony-Anhalt, Germany
Aachen, North Rhine-Westphalia, Germany
Bologna, Emilia-Romagna, Italy
Milan, Lombardy, Italy
Fehmarn, Schleswig-Holstein, Germany