Warsaw, Masovian Voivodeship, Poland
Brussels, Brussels, Belgium
Saint Petersburg, Saint Petersburg, Russian Federation
Konigsberg, Kaliningradskaya oblast', Russian Federation
Warsaw, Mazovia, Poland
Auderghem, Bruxelles, Belgium
Kraków, Lesser Poland Voivodeship, Poland
Antwerpen, Vlaanderen, Belgium
Overijse, Flemish-Brabant, Belgium
Leuven, Vlaanderen, Belgium
Yekaterinburg, Sverdlovsk Oblast, Russian Federation