for scene 41 of the video " Ice Age 2050s: Certainty 1" by Rolf Witzsche
here for a larger image
The Greenland Ice Core Project
The Greenland Ice Core Project, in central Greenland, completed its first deep drilling in 1992.
The project had drilled 3028 meters deep into the ice.
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Published by Cygni Communications Ltd.
North Vancouver, BC, Canada - (C) in public domain - producer Rolf A. F.