Riga, Riga, Latvia
Düsseldorf, North Rhine-Westphalia, Germany
Warsaw, Masovian Voivodeship, Poland
Barcelona, Catalonia, Spain
Warsaw, Mazovia, Poland
Brest, Brest Region, Belarus
Saint Petersburg, Saint Petersburg, Russian Federation
Elche, Valencian Community, Spain
Wien, Wien, Austria
Vigo, Galicia, Spain
Bangor, Gwynedd, Cymru
