for scene 28 of the video " Ice Age 2050s: Certainty 1" by Rolf Witzsche
here for a larger image
The very concept of an ice age is relatively new
In fact, the very concept of an ice age is relatively new. The occurrence of vast global ice ages in the history of the world hadn't even been postulated until the 1800s. The concept simply didn't exist prior to the 1800s.
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Published by Cygni Communications Ltd.
North Vancouver, BC, Canada - (C) in public domain - producer Rolf A. F.