Troyes, Champagne-Ardenne, France
Groningen, Groningen, Netherlands
Hoogeveen, Drenthe, Netherlands
Turku, Finland
Frankfurt am Main, Hessen, Germany
Brno, South Moravian Region, Czech Republic
Studenka, Moravian-Silesian Region, Czech Republic
Ostrava, Moravian-Silesian Region, Czech Republic
Libeznice, Central Bohemian Region, Czech Republic
Deventer, Overijssel, Netherlands
Trento, Trentino-Alto Adige, Italy