This playlist is meant to include videos that follow the human understanding of the nature of things and the world through history.
Atlas Obscura: in 1943, the Army Corps of Engineers began construction of the largest scale model ever built. They modeled all 1.25 million square miles of the Mississippi River and surrounding areas... continue reading
posted by oblio70
8 years 5 months ago • 325 views • 3:17Not yet a member? No problem!
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