Ключевые слова: academic, class, classroom, close, closeup, cognition, college, concentration, concept, course, day, desk, education, exam, examination, female, group, hands, indoor, knowledge, laptop, learning, lecture, lesson, library, long hair, note, person, reading, row, school, selective focus, side, side view, sitting, stress, student, students, study, studying, teenage, test, textbook, university, up, write, writing, young,