Top view over river delta and tidal marshes in Oostvoorne, the Netherlands

top view river delta tidal marshes oostvoorne the netherlands striking unique landscape breathtaking ecosystem lush green slikken van voorne wetlands water canals watercourse aerial view unique patterns floodplain abstract netherlands mud flats textured river system pattern europe tendrils landscape nature scenic natures patterns wilderness beauty in nature terrain picturesque outdoors texture elevation mysterious arteries biodiversity hotspot habitat biodiversity ecology drone aerial canals wetland