4 ms·
Sort of an interplanetary quipu. http://en.wikipedia.org/wiki/Quipu http://en.wikipedia.org/wiki/Quipu
by J3L2404 14y ago
Sort of an interplanetary quipu.
http://en.wikipedia.org/wiki/Quipu http://en.wikipedia.org/wiki/Quipu
loading thread…
4 ms·