sandy dunes overgrown by clumps of grass and blue sky with white clouds in sunny summer day. lacka dune near leba

aeba baltic beach blue clouds clump clumps day desert dune dunes europe explore grass hill kashubia lacka landmark landscape leba miracle mountain moving national nature outdoor overgrown park poland pomerania protection sand sandy sea shifting shore sightseeing sky slowinski summer sunny tourism travel travelling vacation walk walking white wydma