Lyon, Auvergne-Rhône-Alpes, France
Vienna, Vienna, Austria
Kyiv, Kyiv city, Ukraine
Riga, Riga, Latvia
Guildford, United Kingdom of Great Britain and Northern Ireland
England, United Kingdom of Great Britain and Northern Ireland
Düsseldorf, North Rhine-Westphalia, Germany
Moscow, Moscow, Russian Federation
Sofia, Sofia, Bulgaria
Wien, Wien, Austria