Water management with historic Boezemmolen Nr 6, Haastrecht, Netherlands

water management haastrecht boezemmolen dutch agriculture netherlands heritage windmill nr 6 vlist boezemmolen nr 6 holland iconic historical landmark polder water displacement south holland aerial traditional historic canal cultural landmark drone culture mills europe old countryside rural wetlands mill scenic outdoors structure control water level nr6 no 6 no6 restoration project monument sightseeing attraction tourist attraction tourism travel icon water pumping spinning