Poznań, Greater Poland Voivodeship, Poland
Wrocław, Lower Silesian Voivodeship, Poland
Lodz, Lodz, Poland
Mexico City, Distrito Federal, Mexico
Ostrava, Moravian-Silesian Region, Czech Republic
Wroclaw, Lower Silesia, Poland
Essen, North Rhine-Westphalia, Germany
Halle (Saale), Saxony Anhalt, Germany
Freiburg im Breisgau, Baden-Wuerttemberg, Germany
Minsk, Minsk Region, Belarus