sailboat aground on sandflat at low tide near rotterdam, netherl

aground anchored boat boating coast coastal dutch ebb europe european flat flats grounded hoek holland horizon kwade landscape low maasvlakte marine mud mudflats nature nautical netherlands north northsea panorama pleasure rotterdam sailboat sailing sand sandflat sea seaside shore shoreline slijkgat south stranded tidal tide tideland vacation water wetland yacht yachting