Bochum, Nordrhein-Westfalen, Germany
Tübingen, Baden-Württemberg, Germany
Tuebingen, Baden-Wuerttemberg, Germany
Valdagno, Veneto, Italy
Beijing, China
Barcelona, Catalonia, Spain
Tehran, Tehran, Iran
La Chaux-de-Fonds, Neuchatel, Switzerland
Puerto de la Cruz, Canary Islands, Spain
