Aerial view of Wadden Sea, city and road across sea, Den Helder, Netherlands

aerial view ameland beach blue building city coast coastal color day den helder distant dune dutch ebb environment europe field flat friesland frisian groningen heritage holland horizontal island landscape marine mudflat natural nature netherlands nobody no people north north sea north sea ocean outdoors road sand scenery sea seaside shore sky spring summer sun terschelling texel tidal tide tourism tranquility unesco vacation wadden waddenzee water world