Strasbourg, France
Den Helder, the Netherlands
Leiden, the Netherlands
Leiden, The Netherlands
Liestal, Switzerland
Arnhem, the Netherlands
Soesterberg, the Netherlands
The Hague
Utrecht, The Netherlands
Utrecht, The Netherlands
Waalwijk, the Netherlands
Veenendaal, the Netherlands
Franeker, the Netherlands
Gelderland, The Netherlands
Vlissingen, the Netherlands
Gouda, the Netherlands
Wellington, New Zealand
Amsterdam, The Netherlands
Saudi-Arabia
Hoensbroek, The Netherlands
Rijswijk, The Netherlands
Nijmegen, The Netherlands
Groningen, The Netherlands
Leiden, The Netherlands
Nijmegen, The Netherlands
Bielefeld, Germany
Bodmin, United Kingdom
Groningen, The Netherlands
