Trieste, Friuli-Venezia Giulia, Italy
Hajnówka, Podlaskie Voivodeship, Poland
Göttingen, Low Saxony, Germany
Pavia, Lombardia, Italy
Bydgoszcz, Kuyavian-Pomeranian Voivodeship, Poland
Padova, Veneto, Italy
Cologne, North Rhine-Westphalia, Germany
Sofia, Bulgaria
Berlin, Berlin, Germany