Gent, Vlaanderen, Belgium
Krakow, Lesser Poland, Poland
Gaithersburg, maryland, USA
Warsaw, Poland
Rybnik, Silesian Voivodeship, Poland
Kraków, Lesser Poland Voivodeship, Poland
Wroclaw, Lower Silesia, Poland
Valencia, Valencian Community, Spain
Pszow, Silesia, Poland
Bremerhaven, Bremen, Germany
