Ключевые слова: abstract, art, artistic, background, banner, black, brush flag, campaign, card, celebration, color, country, creative, day, decorative, design, elegant, element, flag, graphic, greeting, grunge, happy, holiday, illustration, independence, independent, liberation, may, may 22, nation, national, national day, patriotic, patriotism, poster, pride, red, republic, state, text, texture, unique, unity, unity day, white, yemen, yemen flag,