Utrecht, Utrecht, Netherlands
Dortmund, North Rhine-Westphalia, Germany
Kaohsiung City, Taiwan, Province of China
Mannheim, Baden-Württemberg, Germany
Toronto, Ontario, Canada
Mannheim, Germany
Montreal, Quebec, Canada
Böblingen, Baden-Württemberg, Germany
Rouen, France
Frankenthal, Rhineland-Palatinate, Germany
Vicenza, Veneto, Italy
Mannheim, Baden-Wuerttemberg, Germany