'This South American civilization used Quipu, a system of knots, to record dates & large sums of figures'
Incas
KNOTS TO YOU: This South American civilization used Quipu, a system of knots, to record dates & large sums of figures
This South American civilization used Quipu, a system of knots, to record dates & large sums of figures
This South American civilization used Quipu, a system of knots, to record dates & large sums of figures
KNOTS TO YOU
Incas
KNOTS TO YOU