Ключевые слова: abandoned, america, ancient, andean, andean mountains, andes, architecture, citadel, city, civilization, culture, cusco, cuzco, famous place, fortification, heritage, hiram bingham, history, huayna, huaynapicchu, inca, inca empire, incan, inka, landmark, lost city of the incas, machu, machu picchu, machupicchu, mountain, ollantaytambo, pachacuti, peru, picchu, precolumbian, quechua, ruins, sacred valley, south america, stonewalled, stronghold, tourism, travel, urubamba river, wall, walled, wonder,