Ключевые слова: aerial, aerial view, background, biosphere, bulgaria, bush, clouds, cloudscape, destination, drone, environment, europe, grass, green, hill, kirilova meadow, kirilova polyana, kyustendil region, lake, landmark, landscape, mountain, mountaineering, nature, outdoor, recreation, reflection, reserves, rila, rila mountains, rock, route, scenery, sight, sightseeing, suhoto, suhoto lake, sun, sunny, the dry, the dry lake, the lower, tourism, trail, travel, trip, vacation, view, water,