Leuven, Flemish-Brabant, Belgium
Ostersund, Jamtland, Sweden
Paris, Ile-de-France, France
Rotterdam, Zuid-Holland, Netherlands
Bonn, Nordrhein-Westfalen, Germany
Amersfoort, Utrecht, Netherlands
Zurich, Zurich, Switzerland
Brussels, Brussels, Belgium
Stockholm, Stockholm, Sweden
Trondheim, Sør-Trøndelag, Norway
Lille, Nord-Pas-de-Calais, France