Stuttgart, Baden-Wuerttemberg, Germany
Warsaw, Mazovia, Poland
Tuebingen, Baden-Wuerttemberg, Germany
Vienna, Vienna, Austria
Lisboa, Lisboa, Portugal
Singapore, Singapore
Stuttgart, Baden-Württemberg, Germany
trévien, france, France
Esslingen am Neckar, Baden-Wuerttemberg, Germany
Offenbach am Main, Hessen, Germany