Ключевые слова: aerial, aerial view, background, balkan mountains, balkans, bulgaria, canyon, clouds, countryside, destination, drone, environment, europe, forest, gorge, hiking, hill, landscape, mountain, mountaineering, nature, outdoor, panorama, pass, peak, rocks, route, scene, scenery, stara planina, stara planina mountain, summer, sunny, sunset, tourism, trail, travel, view, village, vraca, vratsa, vratsa region, vratsata, vratsata pass, vratza, zgorigrad,