'The Quipu, a device of knotted cords, was used to keep records in this South American civilization'
Inca
ARCHAEOLOGY: The Quipu, a device of knotted cords, was used to keep records in this South American civilization
The Quipu, a device of knotted cords, was used to keep records in this South American civilization
The Quipu, a device of knotted cords, was used to keep records in this South American civilization
ARCHAEOLOGY
Inca
ARCHAEOLOGY