Friday, August 27, 2021

6 mysterious structures hidden beneath the Greenland ice sheet

6 mysterious structures hidden beneath the Greenland ice sheet
Nearly 2 miles thick in places, the ice sheet hides a landscape of canyons, mountains, fjords and gem-like lakes. Fridtjof Nansen, the leader of the …

* This article was originally published here. * * * * * Visit Al Cannistra Flipboard Curations here.

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