A sculpture of Tommie Smith, John Carlos and Australian Peter Norman protest at the 1968 Olympics is part of the sports exhibit at the Smithsonian National Museum of African American History and Culture (NCAAHC) on September 14, 2016 in Washington, DC. The 400,000 square-foot museum on the National Mall is 60% underground, and it will open to the public on September 24, 2016. Photo by Pat Benic/UPI