Belgrade, Central Serbia, Serbia
Zurich, Zurich, Switzerland
Karlstad, Varmland County, Sweden
Šid, Vojvodina, Serbia
Freiburg im Breisgau, Baden-Wuerttemberg, Germany
Skopje, Skopje, Macedonia (the former Yugoslav Republic of)
Alajuela, Alajuela, Costa Rica
Mülheim an der Ruhr, Germany
