Wrocław, Lower Silesian Voivodeship, Poland
Gdynia, Pomeranian Voivodeship, Poland
Balearic Islands, Spain
Guyancourt, France
Warsaw, Masovian Voivodeship, Poland
Luxembourg City, Luxembourg, Luxembourg
Alicante, Valencian Community, Spain
Połęczyno, Pomeranian Voivodeship, Poland
Wuppertal, North Rhine-Westphalia, Germany
Barcelona, Catalonia, Spain
Moscow, Moscow, Russian Federation