Albacete, Castile-La Mancha, Spain
Ankara, Ankara, Turkey
Bonn, North Rhine-Westphalia, Germany
Göttingen, Lower Saxony, Germany
Thessaloniki, Makedonia Thraki, Greece
Flensburg, Schleswig-Holstein, Germany
Eschweiler, North Rhine-Westphalia, Germany
Rockville, MD, USA
Marschacht, Niedersachsen, Germany
Leuven, Flemish-Brabant, Belgium
Kesten, Rhineland-Palatinate, Germany
Köln, Nordrhein-Westfalen, Germany
