Ключевые слова: 20s, adult, african, answer, arms, asking, attentive, black, blond, bright, brown hair, casual, caucasian, cheerful, classroom, closeup, college, college student, color, cute, day, different, education, enjoyment, friends, gesture, group, hands, happy, high school, high school student, highschool, horizontal, indoors, learning, lesson, listening, man, many, multi ethnic, participation, people, raised, raising, school, sitting, smile, student, study, together, university, up, upwards, volunteer, voting, white, woman, young, youth,