Košice, Košice Region, Slovakia
Guelph, Ontario, Canada
Münster, North Rhine-Westphalia, Germany
Erfurt, Thuringia, Germany
Roudnice nad Labem, Usti nad Labem Region, Czech Republic
Frankfurt, Hesse, Germany
Münster, Nordrhein-Westfalen, Germany
Schüpfheim, Luzern, Switzerland
Kiel, Schleswig-Holstein, Germany