Leafless tree on brown soil

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