Ключевые слова: above, aerial, america, archaeology, city, civilization, crowd, culture, fortress, heritage, hike, historic, history, inca, incan, machu, machu picchu, mysterious, mystery, people, perfect, peru, peruvian, picchu, preserved, restored, rock, ruins, south, step, stone, temple, terrace, tourism, tourist, trail, unesco, visitor, wall, world,