Freiburg im Breisgau, Baden-Wuerttemberg, Germany
Reichenau, Baden-Wuerttemberg, Germany
Medellin, Antioquia, Colombia
Stockholm, Stockholm, Sweden
London, United Kingdom
Yogyakarta, Special Region of Yogyakarta, Indonesia
Guangzhou, Guangdong, China
Radolfzell am Bodensee, Baden-Wuerttemberg, Germany
Köln, Nordrhein-Westfalen, Germany
Montreal, Quebec, Canada
Duesseldorf, North Rhine-Westphalia, Germany
