dunes at the german baltic sea in near the city of rostock

breviligulata heiligendamm khlungsborn mecklenburg protection vorpommern ammophila brgerende coastline landscape rethwisch undefined maritime sunlight climate coastal germany groynes horizon rostock tourism autumn baltic change clouds cloudy groins nature surges wooden beach grass cloud coast dunes flood north ocean rocks sandy storm water waves windy dark dune sand sea breviligulata autumn sea beach grass börgerende change cloud clouds cloudy coast coastal protection coastline dark dune dunes flood germany groins groynes heiligendamm horizon kühlungsborn landscape maritime mecklenburg vorpommern mv nature north ocean rethwisch rocks rostock sand surges sunlight tourism water waves windy