Ключевые слова: african american, asian, backpacks, beverage, black man, black woman, blur, caucasian, cellphone, cheerful, coffee to go, college, device, drink, education, emotion, friends, friendship, gesture, hall, happy, indoors, interracial, men, mobile, multicultural, multiethnic, notebooks, paper cup, people, phone, point with finger, positive, smartphone, smiling, students, takeaway, technology, together, university, women, young adult,