Ключевые слова: 20s, academic, background, book, books, caucasian, college, concentrate, concentration, desk, education, educational, holding, homework, indoors, information, institute, institution, intelligence, intelligent, knowledge, learn, learning, lecture, lecture hall, literature, looking, looking away, male, man, paper, pen, sitting, smart, smile, smiling, student, students, study, studying, taking notes, textbook, university, writing, young adult,