Did You Know
The Hoover Dam was built to last 2,000 years. The concrete in it will not even be fully cured for another 500 years.
(I wouldn’t suggest trying to write your name in it though.)
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Did You Know
The Hoover Dam was built to last 2,000 years. The concrete in it will not even be fully cured for another 500 years.
(I wouldn’t suggest trying to write your name in it though.)
Comments are closed.
Nice to know there will be a few landmarks left when I return to earth in the year 2863.