Kraków, Lesser Poland Voivodeship, Poland
Zurich, Zurich, Switzerland
Gdansk, Pomerania, Poland
Chur, Grisons, Switzerland
Sandki Most, Bosnien - Herzegowina
Bremen, Bremen, Germany
Riga, Riga, Latvia
Catania, Sicily, Italy
Vitoria-Gasteiz, Basque Country, Spain
Heidelberg, Baden-Wuerttemberg, Germany
Winterthur, Zürich, Switzerland