for scene 14 of the video " Ice Age of the dimmer Sun in 30 years - 8 Dawn of humanity" by Rolf Witzsche
here for a larger image
The warm periods stand out as periods of cultural destruction
The inverse also proves the principle further. Just as the cold periods were periods of great cultural achievements, the warm periods stand out in the long sweep of history as periods of cultural destruction, periods of war, from the Trojan War, to the Roman Wars, to the Colonial Wars, to the World Wars and so on.
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Published by Cygni Communications Ltd.
North Vancouver, BC, Canada - (C) in public domain - producer Rolf A. F.