The Zwanenwater, a protected dune area. This area has the status of wetland. Callantsoog, 2016.
National Park Hoge Veluwe. Young oak trees. Otterlo, 2003.
A part of the Ankeveen lake area. Ankeveen, 2003.
The Naarder lake. The first protected lake in the Netherlands. Naarden, 2015.
Heathland between Hilversum and Laren in the Nederlands. Hilversum, 2016.
The protected dune area the Zwanenwater. Callantsoog, 2016.
A ploughed acre in the Flevo polder in the Nederlands. Zeewolde, 2016.
