Mainz, Rhineland-Palatinate, Germany
Freiburg, Baden-Württemberg, Germany
Stuttgart, Baden-Württemberg, Germany
Saarbrücken, Saarland, Germany
Vienna, Vienna, Austria
Damascus, Damascus Governorate, Syrian Arab Republic
Mannheim, Baden Württemberg, Germany
Wiesbaden, Hesse, Germany
Elsene, Brussels Hoofdstedelijk Gewest, Belgium
