Ключевые слова: adult, aged, beard, book, bookcase, bookshelf, bookshop, caucasian, close up, cognition, college, consultant, education, elder, elderly, face, grandfather, hands, indoor, inside, instructor, learning, lecturer, library, literature, male, man, mature, old, older, pensioner, people, person, professor, read, real people, senior, senior citizen, senior male, senior man, study, university,