Hamilton, Ontario, Canada
Oldenburg (Oldenburg), Lower Saxony, Germany
Niagara Falls, Ontario, Canada
Freiburg im Breisgau, Baden-Wuerttemberg, Germany
Adelaide, South Australia, Australia
Philadelphia, Pennsylvania, United States
Marburg, Hessen, Germany
Gent, East-Flanders, Belgium
Berlin, Berlin, Germany
Montreal, Quebec, Canada
Bonn, North Rhine-Westphalia, Germany
