The Hondsbossche Duinen (Hondsbossche and Pettemer Zeewering) is a 5500-metre long sea dike between Petten and Camperduin. The sea dyke was reinforced with 35 million m3 of sand between 2013 and 2015. (c) 6 July 2023 Aerophoto-Schiphol | aerial view 309969