north sea germany, kugelbake, old sea sign and landmark of cuxhaven portrait mode

architecture blue corrugation destination dutch environmental europe first flats freight habitat harbour heritage hiking icon intertidal kugelbake landmark landscape marking mud mudflat national nautical north old orientation park reflections rescue resort safety schip sea seabed seafaring seafloor sky speeding strand summer sun sunny tanker tidal tourism tourist tower traffic transport unesco vacation wadden water weltkulturerbe world zone