La Hulpe, Brabant Walloon, Belgium
Boca Raton, FL, USA
Arnsberg, North Rhine-Westphalia, Germany
Gent, East-Flanders, Belgium
Zutendaal, Limburg, Belgium
Cologne, North Rhine-Westphalia, Germany
Lausanne, Vaud, Switzerland
Mainz, Rhineland-Palatinate, Germany