Ключевые слова: 15, 15 september, abstract, background, ballot, banner, blue, box, card, celebration, choice, concept, day, decision, decoration, democracy, democratic, design, equality, freedom, government, holiday, human, icon, illustration, independence, international, liberty, nation, opinion, organization, paper, people, political, polling, poster, power, promotion, republic, right, september, sign, social, society, symbol, tolerance, vote, voting, world,