Ключевые слова: above, adventure, aerial, air, amazing, background, balkans, beautiful, beauty, bulgaria, clouds, countryside, dam, day, drone, environment, forest, green, hill, lagoon, lake, landmark, landscape, leisure, meadow, mountain, natural, nature, outdoor, panoramic, park, peaceful, reservoir, resource, river, rural, scene, scenery, scenic, sightseeing, sky, tourism, travel, vacation, valley, vast, view, water, wilderness, yovkovtsi,