There is or was a gold pyramid on top of the Washington monument. What was the meaning behind this? - Quora
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No Home Just Roam
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American Council of the Blind - A model of the inscribed aluminum cap that sits at the top of the Washington Monument. | Facebook
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Twitter 上的Alcoa："#DYK The Washington Monument has an #aluminum cap; pictured here during a flag raising ceremony in 1934. #FlagDay https://t.co/otzV9PGFI2" / Twitter
History & Culture - Washington Monument (U.S. National Park Service)
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George Washington Monument Apex - Our Lost Founding
Hey Spider-Man: About the Top of the Washington Monument...
Washington's Monumental Secret
Aluminium Apex on the Washington Monument, 1934, Theodor Horydczak
NOAA study uses latest technology to compute updated Washington Monument height
Washington Monument. Aluminum cap of Washington Monument with lightning rods I | Library of Congress
A Spectacular Bolt of Lightning Struck the Washington Monument, Temporarily Closing the Famed Obelisk to Visitors
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What's the Point? The Pyramid Atop the Washington Monument | Mental Floss
Washington Monument. Cap stone of Washington Monument without lightning rods | Library of Congress
Washington Monument Reopens After Years of Earthquake Repairs - Cool Photos! - Good News Network
File:Washington Monument aluminum tip.jpg - Wikimedia Commons
Washington Monument - Wikipedia
The Cast Aluminum Cap on the Washington Monument | SpringerLink
