Raeren, Belgium
Dublin, IRE
Santa Clarita, California, United States
Paris, Île-de-France, France
Aachen, North Rhine-Westphalia, Germany
Alfter, Nordrhein-Westfalen, Germany
Madrid, Comunidad de Madrid, Spain
Oldenburg, Niedersachsen, Germany
Rostock, Mecklenburg-Vorpommern, Germany
