Jena, Germany
Darmstadt, Hesse, Germany
Shenzhen, Guangdong, China
Brisbane, Queensland, Australia
Turkey
Witzenhausen, Hesse, Germany
Rabat, Rabat, Morocco
Zhaoqing, Guangdong, China
Izmit, Kocaeli, Turkey
Heidelberg, Baden-Württemberg, Germany
Karlsruhe, Baden-Württemberg, Germany