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Roads and Pathways


Swampfox762
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5 hours ago, Swampfox762 said:

Lake_Mead%2C_Hoover_Dam%2C_and_the_Nevada-Arizona_Border%2C_December_12%2C_2018_%28cropped%29.jpg

I’ve read that the Hoover Dam may be the last surviving artifact of the humans who once inhabited the planet. Why? Because it consists of hundreds of poured in place concrete blocks rather than one huge continuous pour. A good prediction which I cannot judge. 

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