Karagandy, Karagandy, Kazakhstan
Stockholm, Solna, Sweden
Konstanz, Baden-Württemberg, Germany
Helsinki, Uusimaa, Finland
Girona, Catalonia, Spain
Bergamo, Lombardia, Italy
Austria
Mainz, Rhineland-Palatinate, Germany
Vienna, Austria
Novosibirsk, Novosibirskaya oblast', Russian Federation