スミソニアン博物館のインスタグラム(smithsonian) - 9月11日 21時56分

This clock was knocked to the ground when a plane was crashed into the Pentagon on Sept. 11, 2001, its hands frozen at the moment of impact.
It hung in the Pentagon helipad fire station, which was nearly taken out by American Airlines flight 77. The airplane actually struck the Pentagon at 9:38 a.m.—apparently the clock was six minutes slow.
The ceiling of the firehouse collapsed, temporarily trapping firefighter Dennis Young in the fallen debris. He later donated the clock to our @国立アメリカ歴史博物館.

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