Lausanne, Vaud, Switzerland
Yekaterinburg, Sverdlovsk Oblast, Russian Federation
Ljubljana, Osrednjeslovenska, Slovenia
Landau in der Pfalz, Rhineland-Palatinate, Germany
Recife, Pernambuco, Brazil
Moscow, Russia, Russian Federation
Greifswald, Germany
Saint Petersburg, Saint Petersburg, Russian Federation
Brussels, Brussels, Belgium
Sertolovo, Leningrad, Russia