Ключевые слова: adolescence, adults, african, american, book, campus, casual, caucasian, clothing, communications, computer, concepts, discussion, education, females, friendship, girls, group, happiness, joy, learning, lifestyles, males, man, men, modern, multiethnic, nature, outdoors, park, people, portrait, positive, school, sitting, smiling, student, studying, tablet, teamwork, technology, teenage, teenagers, teens, togetherness, university, women, years, young, youth,