monument along waddenzee near noordkaap, holland

art artwork biological bird birds boschwad brackish cape channels coast coastal dry dutch ebb ebbtide europe european flat gate gates groningen habitats heaven holland horizon interactions intertidal island landmark landscape low marsh marshes monument mud mudflats natural nature netherlands noordkaap north northsea outdoor outdoors outside panorama physical reserve salt sand sandbanks sandbars sandy sea shoals shore tidal tide tourism touristic undisturbed wadden waddenzee water wet wetland