Aachen, North Rhine-Westphalia, Germany
Poitiers, Nouvelle Aquitaine, France
Reykjavík, Capital Region, Iceland
Avignon, Provence-Alpes-Côte d'Azur, France
Rueil-Malmaison, Île-de-France, France
England, United Kingdom of Great Britain and Northern Ireland
Villa Ballester, Buenos Aires, Argentina
Freiburg im Breisgau, Baden-Wuerttemberg, Germany
Heidelberg, Baden-Württemberg, Germany
Sofia, Sofia-city, Bulgaria
