Ключевые слова: 60s, active, adult, aged, brunette, casual, caucasian, class, classmate, classroom, computer, concentration, confident, course, desk, desktop, education, elderly, female, girl, gray, hair, higher, internet, keyboard, lab, learn, learning, male, man, men, old, pensioner, people, person, retired, retirement, school, senior, smile, student, study, studying, technology, woman, women,