Ключевые слова: adolescence, backpack, book, campus, casual, cheerful, classmates, college student, color image, copyspace, day, education, field, friends, friendship, grass, green, happiness, high school student, horizontal, lawn, learn, learning, leisure activity, male, meadow, men, nature, outdoors, park, people, person, read, reading, sitting, sky, student, studying, teenage boys, teenager, textbook, two people, young men, youth,