Ключевые слова: birthday, boy, boys, cap, casual, caucasian, celebrate, celebration, child, childhood, children, colorful, cute, field, friend, friends, friendship, fun, girl, girls, green, group, happiness, happy, hat, horn, joy, kid, kids, large group, lifestyle, many, meadow, noise, noisemaker, outside, park, party, person, schoolboy, schoolchild, schoolgirl, sky, smile, smiling, summer, team, together, whistle, youth,