Karlsruhe, Baden-Württemberg, Germany
Mainz, Rhineland-Palatinate, Germany
Berlin, Berlin, Germany
London, London
Carreno, Asturias (Principality of), Spain
Freiburg im Breisgau, Baden-Württemberg, Germany
Toluca de Lerdo, Mexico State, Mexico
Temoaya, Mexico State, Mexico
Germany
Porto, Porto District, Portugal
Las Palmas de Gran Canaria, Canary Islands, Spain
Freiburg, Baden-Württemberg, Germany