Ключевые слова: achievement, adolescence, adulthood, anniversary, arrangement, balloons, birthday, bubbly, celebration, cheerful, colourful, confetti, congratulatory message, decor, decoration, design, enjoyment, events, festive, fun, gathering, gold numbers, greeting, helium, joy, jubilee, milestone, multicolores, occasion, party, recreation, retirement, special, symbolic, vibrant,