Regensburg, Bavaria, Germany
Dunkerque, Hauts-de-France, France
Lille, Nord, France
Backnang, Baden-Württemberg, Germany
Lille, Nord-Pas-de-Calais, France
Montreal, Quebec, Canada
Plau am See, Mecklenburg Vorpommern, Germany
Vélizy-Villacoublay, Île-de-France, France
Leipzig, Sachsen, Germany