Ключевые слова: wall, 12 sided, america, american, ancient, angle, angled, archaeological, architecture, architecture and buildings, art, artifact, block, brick, building, civilization, construction, craft, culture, cusco, famous, famous place, hiking, historic, inca, incan, jigsaw, landmarks, lost, machu picchu, masonry, multi sided, old, perfect, peru, peruvian, polygonal, recreational pursuit, rocks, ruin, sacred, south america, stone, stonework, texture, travel locations, unesco, usa, wall,