Scientists Are Racing to Unearth the Secrets of an Ancient Underwater World

Around 8,000 to 6,000 BCE, the North and Baltic seas weren’t seas at all. 
Historians and divers are trying to retrieve prehistoric clues.

National Science Day!

https://www.popularmechanics.com/science/archaeology/a63544905/race-to-study-submerged-settlements/?s=09

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