Ключевые слова: action, activists, african, against, american, banner, bill board, billboard, black, blank, board, card, cardboard, chromakey, copyspace, crowd, custom, demonstration, design, empty, ethnicity, event, fight, greenscreen, line, man, march, message, mock up, motion marker, people, picket, placard, point, politics, poster, protester, protesting, protestors, racial, racism, rally, rebel, revolution, revolutionary, riot, space, strike, text, track,