Ключевые слова: 20s, adult, asian, attractive, black, book, borrowing, building, campus, caucasian, chair, class, classroom, college, copy, education, evening, female, further, happy, higher, horizontal, indoors, learning, library, light, mixed, one, people, person, race, reading, research, school, shelves, smiling, space, standing, student, studying, textbook, twenties, university, waist, women, wood, working,