Ключевые слова: 4th, anniversary, background, beautiful, birthday, black, blast, bright, burst, carnival, celebrate, celebration, city, color, colorful, countdown, dark, december, display, effects, event, exploding, explosion, festival, festive, fiesta, fire, firework, fireworks, fun, glowing, golden, happy, holiday, july, light, new, night, outdoors, party, pyrotechnics, river, show, sky, sparks, town, year,