leymus arenarius also know as sea lyme grass or sand ryegrass growing on sand dunes at the baltic sea

leymus arenarius lyme gras ryegrass grass sand baltic sea closeup nature dune plant environment travel calm ecosystem shore wilderness coastal habitat sandy vegetation scenic seacoast poland flora wild botany coast water landscape people coastline environmental conservation beauty beach europe polish scenics outdoors national park leba slowinski vacation tranquility peaceful growing dunes