Ключевые слова: abandoned, abandoned building, absence, aerial, aerial landscape, aerial photograph, aerial view, background, beautiful, big, building, bulgaria, complex, concrete, construction, culture, damaged, dark, drone, ecosystem, environment, europe, explore, facility, haunted house, hotel, landscape, mansion, mountain, mountains, nature, old, outdoors, resort, rusty, scary, shipkovo, stonebuilt, top view, tourism,