Yekaterinburg, Sverdlovsk, Russia
Prague, Hlavní město Praha, Czech Republic
Duisburg, Nordrhein-Westfalen, Germany
Ulaanbaatar, Mongolia
Pforzheim, Baden-Württemberg, Germany
Dinslaken, North Rhine-Westphalia, Germany
Hamburg, Germany
Ulaanbaatar, Ulaanbaatar, Mongolia
Sankt-Peterburg, Saint Petersburg, Russian Federation
Paris, France
