The Washington Monument is seen in the background as construction continues on the Smithsonian's National Museum of African American History and Culture August 30, 2016 in Washington, DC. Brendan Smialowski / AFP
A worker walks past as construction continues on the Smithsonian's National Museum of African American History and Culture August 30, 2016 in Washington, DC. Brendan Smialowski / AFP
A worker ties down cargo onto a truck bed as construction continues on the Smithsonian's National Museum of African American History and Culture August 30, 2016 in Washington, DC. Brendan Smialowski / AFP
A woman walks past as construction continues on the Smithsonian's National Museum of African American History and Culture August 30, 2016 in Washington, DC. Brendan Smialowski / AFP
Workers are seen as construction continues on the Smithsonian's National Museum of African American History and Culture August 30, 2016 in Washington, DC. Brendan Smialowski / AFP
Workers are seen as construction continues on the Smithsonian's National Museum of African American History and Culture August 30, 2016 in Washington, DC. Brendan Smialowski / AFP
A worker covers windows with plastic sheets as construction continues on the Smithsonian's National Museum of African American History and Culture August 30, 2016 in Washington, DC. Brendan Smialowski / AFP
Workers take a break for food as construction continues on the Smithsonian's National Museum of African American History and Culture August 30, 2016 in Washington, DC. Brendan Smialowski / AFP
Smithsonian's National Museum of African American History and Culture is seen on August 30, 2016 in Washington, DC. JIM WATSON / AFP
Architecture of the Andrew W. Mellon Auditorium is seen in contrast to the Smithsonian's National Museum of African American History and Culture August 30, 2016 in Washington, DC. JIM WATSON / AFP
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