Ключевые слова: american, background, black, book, books, boy, boys, brother, brothers, cheerful, child, childhood, children, close, cute, domestic, education, emotion, emotions, face, families, fun, funny, grin, grinning, group, handsome, happiness, happy, horizontal, kid, kids, laugh, laughing, libraries, library, life, love, male, many, model, offspring, people, person, playful, playing, portrait, read, reading, red, sibling, siblings, smile, smiley, smiling, three, up, white, youth,