Bratislava, Bratislava, Slovakia
Olsztyn, warmińsko-mazurskie, Poland
Clermont-Ferrand, Auvergne Rhône-Alpes, France
Burgos, Castile and Leon, Spain
Warsaw, Mazovia, Poland
Gdansk, Pomerania, Poland
Sortland, Nordland, Norway
Ahnatal, Hessen, Germany
Sheffield, England, United Kingdom