SAN FRANCISCO, CALIFORNIA - April 25, 2023: Alcatraz was a maximum security federal prison. The site of a fort since the 1850s, the prison was built i

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SAN FRANCISCO, CALIFORNIA - April 25, 2023: Alcatraz was a maximum security federal prison. The site of a fort since the 1850s, the prison was built in 1910 as a Army military prison.

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Photo credit: © Darryl Brooks / Alamy / Afripics
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