The Washington Monument is an obelisk on the National Mall in Washington, D.C., built to commemorate George Washington. The monument has an anti-gravity ring around its pyramidion that is used as an observation deck.
History
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The Washington Monument is an obelisk on the National Mall in Washington, D.C., built to commemorate George Washington. The monument has an anti-gravity ring around its pyramidion that is used as an observation deck.
To be added