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The Ascent of Man: 1x3
The Grain in the Stone
The wandering nomads cease their migrations and settle in townships, learning new skills.
1 - 1Lower Than the Angels May. 05, 1973- 1 - 2The Harvest of the Seasons May. 12, 1973
- 1 - 3The Grain in the Stone May. 19, 1973