Milwaukee, WI, USA
Groningen, Groningen, Netherlands
Luxembourg, Luxembourg, Luxembourg
Mexico City, Distrito Federal, Mexico
Lisbon, Lisbon, Portugal
Stockholm, Stockholm, Sweden
Barcelona, Catalonia, Spain
Marquette-lez-Lille, Nord-Pas-de-Calais, France
Aachen, North Rhine-Westphalia, Germany
Bonn, Nordrhein-Westfalen, Germany