Warszawa, mazowieckie, Poland
Belgrade, City of Belgrade, Serbia
Lublin, Lublin Voivodeship, Poland
Maastricht, Limburg, Netherlands
Milano, Lombardia, Italy
Strasbourg, Strasbourg, France
Hințești, Județul Argeș, Romania
Linköping, Ostergotland, Sweden
Gijon, Asturias (Principality of), Spain
Uppsala, Uppsala County, Sweden
Freising, Bavaria, Germany
Alajuela, Alajuela, Costa Rica
