Berlin, Berlin, Germany
Schwyz, Switzerland
Tübingen, Baden-Württemberg, Germany
Ulm, Baden-Württemberg, Germany
Belgrade, City of Belgrade, Serbia
Aalen, Baden-Württemberg, Germany
Bonn, North Rhine-Westphalia, Germany
Lautertal (Odenwald), Hessen, Germany
Heidelberg, Baden-Württemberg, Germany
