Bordeaux, Nouvelle-Aquitaine, France
Mainz, Rhineland-Palatinate, Germany
Greifswald, Mecklenburg-Vorpommern, Germany
Liangshan, Sichuan, China
Münster, Nordrhein-Westfalen, Germany
Grenoble, Auvergne-Rhône-Alpes, France
Magdeburg, Saxony Anhalt, Germany
Dresden, Saxony, Germany
Erfurt, Thuringia, Germany
Hermes, Nord-Pas-de-Calais-Picardie, France
