Leafless tree on brown grass field under blue sky

In the nature Reserve Fischbeker Heide Hamburg Germany, wood, root, animal, wandering, mountainbike, trial, way, pine, birch, forest, lake, heidschuckenweg, nature reserve, lower saxony, aerial, air, aircraft, airliner, airplane, airport, aviation, aviator, fischbek, fischbeker, fischbektal, flight, fly, glider, gliding, green, hamburg, heather, heide, hobby, holiday, landing, landscape, natural, nature, plane, reserve, sailplane, sky, sport, tourism, trailer, travel, tree, vacation, wing