Ключевые слова: 1, activity, adventure, blue, blue sky, boat, cruising, europe, european, freedom, german, germany, horizon, journey, leisure, lower saxony, marine, nautical, one, open water, outdoor, people, recreation, sail, sailboat, sailing, sailing boat, sailing vessel, sailingboat, sea, seascape, ship, side view, single, sky, summer, sunny, tourism, travel, unesco world heritage, vacation, vessel, wadden sea, waddensea, water, watersports, white, wind, yacht,