for scene 2 of the video " Ice Age of the dimmer Sun in 30 years - 8 Dawn of humanity" by Rolf Witzsche
here for a larger image
Only during Ice Age environments
Our development into a highly advanced and capable species with creative and productive powers that no other form of life can equal, may have been made possible by one of the special conditions that exist on the Earth only during Ice Age environments.
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Published by Cygni Communications Ltd.
North Vancouver, BC, Canada - (C) in public domain - producer Rolf A. F.