Hannover, Niedersachsen, Germany
Lodz, Lodz, Poland
Berzence, Hungary
Berlin, Berlin, Germany
Kiel, Schleswig-Holstein, Germany
Sankt Augustin, North Rhine-Westphalia, Germany
Pisa, Toscana, Italy
Hamburg, Hamburg, Germany
Madrid, Madrid, Spain
Freiburg im Breisgau, Baden-Wuerttemberg, Germany
Kębliny, Łódź Voivodeship, Poland