Gliwice, Silesian Voivodeship, Poland
Barcelona, Catalonia, Spain
Castile and León, Spain
Salamanca, Castile and León, Spain
Naples, Campania, Italy
Erlangen, Bavaria, Germany
Kristiansand, Vest-Agder, Norway
Vilnius, Vilnius County, Lithuania
Toulouse, Occitanie, France
Granada, Andalusia, Spain
Turku, Finland
Boston, united states