1960年北卡羅萊那州葛林斯布洛有一群人坐在沃爾沃夫(Woolworth)午餐桌前罷工抗議

出處: "Ronald Martin, Robert Patterson, and Mark Martin Stage Sit-Down Strike After Being Refused Service at an F.W. Woolworth Luncheon Counter, Greensboro, N.C." 1960. Courtesy CORBIS. New York World-Telegram & Sun Photograph Collection, The African American Odyssey: A Quest for Full Citizenship, Library of Congress.