Ключевые слова: african american, backpack, black man, black woman, blur, caucasian, cellphone, college, corridor, device, education, emotion, friends, friendship, generation z, group, indoors, interracial, knowledge, mature, men, middle aged, multiethnic, notebooks, pensive, people, profession, professor, smartphone, students, study, teacher, technology, thoughtful, together, university, use, women, work, workplace, young adult,