Berkeley, CA, USA
Hérisson, Auvergne-Rhône-Alpes, France
Leer (Ostfriesland), Lower Saxony, Germany
Saginaw, MI, USA
Dossobuono, Veneto, Italy
Aachen, North Rhine-Westphalia, Germany
Ulm, Baden-Wuerttemberg, Germany
Reutlingen, Baden-Württemberg, Germany
Schlieren, Zürich, Switzerland
