Ключевые слова: 10660069, 1617 years, 1819 years, african americans, americans, asians, blacks, boys, casual clothing, caucasian, college student, day, education, ethnic diversity, females, friends, friendship, girls, group, group of people, high school student, hispanics, jeans, large group of people, looking at camera, looking up, looking up at camera, males, man, men, multi ethnic group, outdoors, people, posing, recreation, series, smiling, social issues, socialising, standing, steps, student, teenage, teenage boy, teenage girl, teenager, view from above, women, young adult, young adults, youth,