Barcelona, Catalonia, Spain
Luebeck, Schleswig-Holstein, Germany
Toulouse, Midi-Pyrenees, France
Chicago, IL, USA
Davis, CA, United States
Karlsruhe, Baden-Württemberg, Germany
Milwaukee, Wisconsin, United States
Accra, Greater Accra, Ghana
Rotterdam, Zuid-Holland, Netherlands
Hamburg, Hamburg, Germany
Reykjavik, Greater Reykjavik, Iceland
Kiyosu, Aichi, Japan
