Ключевые слова: 20s, adult, bearded, beauty, book, caucasian, closed, college, desk, dreaming, education, exam, exhausted, eyes, head, high, holding, horizontal, human, indoors, intelligence, learning, library, lifestyle, male, man, men, one, only, person, preparation, research, resting, school, sitting, sleeping, student, studying, table, teenager, textbook, tired, university, young,