Kaliningrad, Kaliningrad Oblast, Russian Federation
Sofia, Bulgaria
Kirovohrad, Kirovohrads'ka oblast, Ukraine
Trieste, Friuli-Venezia Giulia, Italy
Donaueschingen, Baden-Wuerttemberg, Germany
Bremen, Bremen, Germany
Passau, Bavaria, Germany
Singapore, Singapore
Loveland, CO, USA
Potsdam, Brandenburg, Germany
Calgary, Alberta, Canada
