Helsinki, Uusimaa, Finland
Saarbrücken, Saarland, Germany
Frankfurt am Main, Hessen, Germany
Sydney, New South Wales, Australia
Nijmegen, Gelderland, Netherlands
Cernusco sul Naviglio, Lombardia, Italy
The Hague, Zuid-Holland, Netherlands
Münster, Nordrhein-Westfalen, Germany
Campbell, CA, United States
Freiburg, Baden-Württemberg, Germany
