Ключевые слова: 4th, abstract, background, beautiful, black, blue, bright, burst, celebrate, celebration, cheerful, christmas, color, colorful, czech, dark, day, display, eve, event, explosion, festival, festive, fire, firework, fireworks, fourth, golden, green, happy, holiday, independence, july, light, new, night, november, party, pendulum, prague, pyrotechnics, red, republic, sky, smoke, white, xmas, year, years, yellow,