Ключевые слова: 21th, background, bird, card, celebration, day, design, earth, event, faith, festival, fly, freedom, gesture, graphic, greeting, happy, heaven, holiday, hope, humanitarian, humanity, icon, international, leaf, love, message, nature, olive, peace, peaceful, pigeon, post, power, pride, purity, september, social, solidarity, symbol, template, wing, world, yellow,