Ключевые слова: background, banner, blow, blue, bulgaria, bulgarian, cloud, commonwealth, country, culture, day, emblem, europe, european, flag, flagpole, flagstaff, flying, freedom, government, green, identity, independence, liberty, nation, national, patriot, patriotic, patriotism, pole, political, pride, red, republic, sign, silk, sky, state, striped, sunny, symbol, textile, travel, unity, waving, white, wind,