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There is an excellent and simultaneously light hearted Nat Geo documentary on this https://www.youtube.com/watch?v=qO11bdsWvOo https://www.youtube.com/watch?v=q

by n0us 11y ago

There is an excellent and simultaneously light hearted Nat Geo documentary on this https://www.youtube.com/watch?v=qO11bdsWvOo https://www.youtube.com/watch?v=qO11bdsWvOo