Chiang Mai, Thailand, Thailand
Tuebingen, Baden-Wuerttemberg, Germany
Offenbach am Main, Hessen, Germany
Busan, Korea, Republic of
Chemnitz, Saxony, Germany
Weingarten, Baden-Württemberg, Germany
Mungwi, Northern Province, Zambia
Konstanz, Baden-Württemberg, Germany
Heidelberg, Baden-Württemberg, Germany
Düsseldorf, Nordrhein-Westfalen, Germany
New York, NY, USA