Ключевые слова: 2016, adjaye, african, africanamerican, america, american, architecture, barack, black, bronze, building, canopy, ceremony, copper, culture, david, dc, event, exhibit, floors, historic, history, house, landmark, landmarks, levels, mall, metallic, monument, museum, national, nationalmuseum, new, nmaahc, obama, opening, outlook, president, slavery, slaves, smithsonian, symbol, treasure, unitedstates, us, usa, value, washington, white,