Moscow, Russian Federation
Offenbach am Main, Hessen, Germany
London, England, United Kingdom
Ulm, Baden-Württemberg, Germany
Luzern, Luzern, Switzerland
Frankfurt am Main, Hessen, Germany
Veliko Tarnovo, Veliko Tarnovo Province, Bulgaria
Madrid, Madrid, Spain
Stuttgart, Baden-Württemberg, Germany
Esslingen, Baden-Württemberg, Germany
Tübingen, Baden-Württemberg, Germany