Siegen, Nordrhein-Westfalen, Germany
Moscow, Moscow, Russian Federation
Barcelona, Catalonia, Spain
Medellín, Antioquia, Colombia
Leganés, Community of Madrid, Spain
Cluj-Napoca, Cluj County, Romania
Wallersheim, Rhineland-Palatinate, Germany
Schmallenberg
Krefeld, North Rhine-Westphalia, Germany
Amsterdam, North Holland, Netherlands
Cologne, Germany
Spokane, WA, USA
