Mannheim, Baden-Württemberg, Germany
Euskirchen, Nordrhein-Westfalen, Germany
Aachen, North Rhine-Westphalia, Germany
Karlsruhe, Baden-Württemberg, Germany
Aachen, Germany
Saint Michel sur Orge, Île-de-France, France
Stolberg (Rheinland), Nordrhein-Westfalen, Germany
Aachen, Nordrhein-Westfalen, Germany
Speyer, Rhineland-Palatinate, Germany
Worms, Rheinland-Pfalz, Germany
Köln, Nordrhein-Westfalen, Germany
Aachen
