Stuttgart, Baden-Wuerttemberg, Germany
Freiburg im Breisgau, Baden-Württemberg, Germany
Melbourne, Victoria, Australia
Berlin, Berlin, Germany
Kitchener, Ontario, Canada
Barcelona, Catalonia, Spain
Konstanz, Baden-Wuerttemberg, Germany
Gent, Vlaams Gewest, Belgium
Mexico City, Distrito Federal, Mexico
Loerrach, Baden-Wuerttemberg, Germany