Columbia subject headings:
Cuzco (Peru)--Antiquities.
Cuzco (Peru)--Buildings, structures, etc.
Incas--Peru--Cuzco--Antiquities.
Masonry--Peru--Cuzco.
Walls--Peru--Cuzco.
Harvard subject headings:
Andes Region--Antiquities.
Inca architecture
Stonemasonry--Andes Region--History.
Princeton subject headings:
Andes Region--Antiquities.
Inca stonemasonry.
Incas--Antiquities.