Stuttgart, Baden-Wuerttemberg, Germany
Storkow (Mark), Brandenburg, Germany
Meythet, Rhône-Alpes, France
Oakland, California, United States
Freiburg im Breisgau, Baden-Wuerttemberg, Germany
Esslingen am Neckar, Baden-Württemberg, Germany
Freiburg, Baden-Württemberg, Germany
Amsterdam, Noord-Holland, Netherlands