Tomskaya oblast', Russian Federation
Dresden, Saxony, Germany
Jyväskylä, Finland
Potsdam, Germany
Wrocław, Lower Silesian Voivodeship, Poland
Berlin, Berlin, Germany
Nürnberg, Bayern, Germany
Regensburg, Bayern, Germany
Kazan, Tatarstan Republic, Russian Federation
Leipzig, Sachsen, Germany
Montreal, Quebec, Canada
Aalen, Baden-Württemberg, Germany