Achern, Baden-Württemberg, Germany
Tuebingen, Baden-Wuerttemberg, Germany
Khon Kaen, Khon Kaen, Thailand
Woodside, NY, United States
Muenster, Germany
Stuttgart, Baden-Württemberg, Germany
New York, NY, USA
Mainz, Rhineland-Palatinate, Germany
beijing, beijing, China
Essen, North Rhine-Westphalia, Germany
Goettingen, Lower Saxony, Germany
Reutlingen, Baden-Württemberg, Germany