Oostzanerveld, De Heul, Oostzaan, june 2018. The area is part of the ensemble Wormerland and was created in the early Middle Ages when farmers from the dunes reclaimed this area

Oostzanerveld, De Heul, Oostzaan. The area is part of the ensemble Wormerland and was created in the early Middle Ages when farmers from the dunes reclaimed this area, the medieval extraction blocks are characteristic for this area..© 20 juni 2018 Marco van Middelkoop/Aerophoto-Schiphol