Tourists walking in the dunes, UNESCO World Biosphere Reserve, Slowinski National Park, Polish Baltic Sea coast, Leba, Pomeranian, Poland

desert trees europe people national park arid tourists landscape pomeranian voivodeship nature incidental people sand dune unesco world heritage site dune marram grass footprint travel people in the background scenics republic of poland summer day visiting outdoors visiting sand tree tourist dry hiking baltic sea excursion desert trace trace poland pomeranian province person leba leba slowinski national park s?owi?ski national park s?owi?ski park narodowy s?owi?ski national park