Berlin, Berlin, Germany
Aachen, North Rhine-Westphalia, Germany
Munich, Bavaria, Germany
Chaoyang, Beijing, China
Hamburg, Hamburg, Germany
Köln, Nordrhein-Westfalen, Germany
Ixelles, Brussels, Belgium
Barcelona, Catalonia, Spain
Schmilau, Schlewig-Holstein, Germany
Curitiba, State of Paraná, Brazil
Berlin, Germany
