Prague, Prague, Czech Republic
Košice, Slovakia
Olsztyn, Warmia-Masuria, Poland
Lille, Nord-Pas-de-Calais, France
Leon, Guanajuato, Mexico
Lesvos, Decentralized Administration of the Aegean, Greece
Montreal, Quebec, Canada
Glasgow, Glasgow, Scotland
Gent, Vlaanderen, Belgium
Helsinki, Uusimaa, Finland