Landau, Rhineland-Palatinate, Germany
Trier, Rheinland-Pfalz, Germany
Viernheim, Hessen, Germany
Sheffield, South Yorkshire, United Kingdom
Beaconsfield, Quebec, Canada
Ville de Québec, Québec, Canada
Düsseldorf, Nordrhein-Westfalen, Germany
Lévis, Québec, Canada
Cambridge, England, United Kingdom
Mainz, Rhineland-Palatinate, Germany