Several groups of people walk on a smooth sandy beach that stretches off into the distance, aerial

oostduinkerke nieuwpoort koksijde aerial view haze sand seaside sandy sand dune north sea drone aerial dune seashore distant ocean shore horizon desert marram walk solitude wind seacoast calm vacation tranquil waves holiday disappear long relax relaxation outside group nature stroll leisure lifestyle step golden family yellow sunset track stretch texture tropical grass