国立アメリカ歴史博物館のインスタグラム(amhistorymuseum) - 6月15日 07時49分

#FlagDay fact #4: The Star-Spangled Banner flag inspired our national anthem when it "still waved" above Fort McHenry after a battle during the War of 1812. ?? For almost 40 years, it hung vertically in the museum. After an extensive conservation effort, the flag is now at a gentle 10 degree angle in an hypoxic environment. This protects the flag by reducing oxygen damage and suppressing fire. In this photo, staff members examine the flag, something we do regularly make sure it's doing well. ? You can see the flag everyday except December 25 when the museum is closed. Admission: free. Have you visited it? ?? #StarSpangledBanner #OSayCanYouSee

[BIHAKUEN]UVシールド(UVShield)

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