Ключевые слова: aerial, aerial view, bulgaria, clean, dam, destination, drone, ecology, environment, forest, iskar, lake, landmark, landscape, lozen, lozen mountain, mountain, nature, outdoor, outdoors, pancharevo, pancharevo lake, park, plana, relax, reservoir, river, scenic, scenics, season, sight, sightseeing, sofia, sofia city, sport, summer, tourism, tranquil, travel, tree, view, vitosha, water, wilderness, wildness, wind,