�I think, when it�s all sorted out, it ALL happened in Africa. I mean, language, religion, symbolic activity, theater, all of this stuff was in place in Africa from, say, 20,000 B.C. up until around 9,000 B.C.� �The African �Cradle of Civilization�,�

First half of a workshop by Terence McKenna on ethnobotany.

Part one of an ethnobotany course by Terence McKenna from 1984.