Ключевые слова: above, aerial, alpaca, america, archaeology, city, civilization, culture, fortress, grass, graze, heritage, hike, historic, history, inca, incan, lama, llama, machu, machu picchu, mysterious, mystery, pasture, perfect, peru, peruvian, picchu, preserved, restored, rock, ruins, south, step, stone, temple, terrace, tourism, trail, wall, world,