Toruń, Kuyavian-Pomeranian Voivodeship, Poland
Barcelona, Catalonia, Spain
Poznan, Greater Poland Voivodeship, Poland
The Hague, Netherlands
Warsaw, Masovian Voivodeship, Poland
Pila, Greater Poland, Poland
Wroclaw, Lower Silesia, Poland
Karlsruhe, Baden-Württemberg, Germany
Warsaw, Mazovia, Poland
Porto, Porto District, Portugal
Torun, Kujawy-Pomerania, Poland