西元1963年,人們聚集在林肯紀念堂前聆聽馬丁‧路德‧金恩博士發表我有一個夢想的演說
出處: "March on Washington, August 28, 1963." 1963. U.S. News and World Report Photograph Collection. The African American Odyssey: A Quest for Full Citizenship, Library of Congress.