Sankt-Peterburg, Sankt-Peterburg, Russian Federation
Barysaw, Minsk Region, Belarus
Kaiserslautern, Rhineland-Palatinate, Germany
Köln, Nordrhein-Westfalen, Germany
Tübingen, Baden-Württemberg, Germany
Boston, MA, USA
Moscow, Moscow, Russian Federation
Saint-Cergue, Vaud, Switzerland
