Belgrade, Central Serbia, Serbia
Ogre, Latvia, Latvia
Lund, Skane, Sweden
Frankfurt, Hessen, Germany
Minsk, Minsk Region, Belarus
Bucharest, Bucharest, Romania
Uppsala, Uppsala, Sweden
Skopje, Skopje, Macedonia (the former Yugoslav Republic of)
Kumamoto City, Kumamoto, Japan
Moscow, Moscow City, Russian Federation
Poprad, Prešov Region, Slovakia