working paltrok sawmill de poelenburg on the zaanse schans

17th amsterdam architecture area beautiful blades building catching century clouds cloudy countryside cultural dutch energy europe farm green heritage historic holland house industrial kalverringdijk landmark landscape mill molen named nature nederland netherlands noordholland old outdoors overcast paltrok people poelenburg power river rural sawmill schans silhoutte site sky spot sunlight tourism traditional travel village weathered wind windmill winter winterday wooden working zaan zaandam zaansche zaanse zaanstad zaanstreek