Karlsruhe, Baden-Württemberg, Germany
Saint Petersburg, Saint Petersburg, Russian Federation
Praha, Praha, Czech Republic
Budapest, Hungary, Hungary
Gatchina, Leningrad Oblast, Russian Federation
Erfurt, Thuringia, Germany
Bonn, North Rhine-Westphalia, Germany
New York, NY, USA
Paris, Ile-de-France, France
Stockholm, Stockholm, Sweden
