Strasbourg, France
Den Helder, the Netherlands
Leiden, the Netherlands
Leiden, The Netherlands
Liestal, Switzerland
Arnhem, the Netherlands
Soesterberg, the Netherlands
The Hague
Veenoord/Nieuw-Amsterdam, the Netherlands
Veenendaal, the Netherlands
Franeker, the Netherlands
Gelderland, The Netherlands
Vlissingen, the Netherlands
Amsterdam, The Netherlands
The Hague, The Netherlands
London, United Kingdom
Hoensbroek, The Netherlands
Rijswijk, The Netherlands
Nijmegen, The Netherlands
Enkhuizen, The Netherlands
Leiden, The Netherlands
San Sebastián, Spain
Leiden, The Netherlands
Zutphen, The Netherlands
Delfzijl, The Netherlands
Arnhem, The Netherlands
Azerbaïdjan
Riemst, Belgium
Assen, The Netherlands
Nijmegen, The Netherlands
Bielefeld, Germany
Bodmin, United Kingdom
Aalsmeer, The Netherlands
Amsterdam, The Netherlands
