Photos: Opening of African-American museum in D.C.

WASHINGTON, DC - SEPTEMBER 24: U.S President Barack Obama hugs former President George W. Bush as Rep. John Lewis (L) looks on during the opening ceremony of the Smithsonian National Museum of African American History and Culture on September 24, 2016 in Washington, DC. The museum is opening thirteen years after Congress and President George W. Bush authorized its construction. (Photo by Olivier Douliery-Pool/Getty Images)
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