Kreuzlingen, Thurgau, Switzerland
Reykjavík, Capital Region, Iceland
Amsterdam, North Holland, Netherlands
Wrocław, Lower Silesian Voivodeship, Poland
Karlsruhe, Baden-Württemberg, Germany
Hamburg, Hamburg, Germany
Munich, Bavaria, Germany
Konstanz, Baden-Wuerttemberg, Germany
Vienna, Vienna, Austria
Istanbul, Kadikoy, Turkey
Tianjin, Tianjin, China
