Ключевые слова: balkan, balkans, bulgaria, bulgarian forest, canyon, defile, ecology, environment, europe, gorge, hiking, hill, iskar, iskar gorge, lakatnik, landmark, landscape, limestone, location, mountain, nature, outdoor, panorama, river, rock, scenic, sight, sightseeing, sky, sofia, sofia region, stara planina, stara planina mountain, terrain, tourism, touristic, town, tranquil, travel, trees, trip, vacation, view, water,