Heiligenhaus, North Rhine-Westphalia, Germany
Würzburg, Bayern, Germany
New York, NY, United States
Freiburg im Breisgau, Baden-Wuerttemberg, Germany
Vancouver, British Columbia, Canada
Toronto, Ontario, Canada
Berlin, Berlin, Germany
Bologna, Emilia-Romagna, Italy
Freiburg im Breisgau, Baden-Württemberg, Germany
Madrid, Community of Madrid, Spain
Swakopmund, Erongo, Namibia
Utrecht, Utrecht, Netherlands
