for scene 7 of the video " The Incredible Experience vs Ice Age - part 2" by Rolf Witzsche
here for a larger image
The small size of the world population
The small size of the world population at the end of the last glacial period, which is estimated to have been in the range of 1 to 10 million, indicates that living is possible in the tropics only under this type of inactive Sun, but that it won't be a picnic by any means. Food resources would have been sparse during the last Ice Age, perhaps consisting mostly of fish.
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Published by Cygni Communications Ltd.
North Vancouver, BC, Canada - (C) in public domain - producer Rolf A. F.