Ключевые слова: african, american, asian, boy, caucasian, celebrate, classmates, classroom, colleague, college, community, diverse, diversity, ethnic, friends, fun, girl, group, happy, high, international, laughing, man, millennial, mobile, photo, portrait, reunion, school, selfie, smartphone, smile, student, teacher, team, teamwork, teenage, togetherness, union, university, woman, young, youth,