Bonn, North Rhine-Westphalia, Germany
Marburg, Hessen, Germany
Jüchen, Nordrhein-Westfalen, Germany
Stuttgart, Baden-Württemberg, Germany
Singapore, Singapore
Canberra, Australian Capital Territory, Australia
Rapid City, SD, USA
Scottsdale, AZ, USA
Turku, Finland
Odense, Region Syddanmark, Denmark
