Kaiserslautern, Rhineland-Palatinate, Germany
Porto Alegre, Rio Grande do Sul, Brazil
Aachen, North Rhine-Westphalia, Germany
Brugges, Flanders, Belgium
Heidelberg, Baden-Württemberg, Germany
Frankfurt am Main, Hessen, Germany
Hedehusene, Copenhagen, Denmark
Barcelona, Spain
Caotun Township, Taiwan Province, Taiwan, Republic Of China
