Ключевые слова: 60s, active, adults, age, caucasian, cheerful, class, classroom, college, computer, desk, education, elderly, females, generations, group, guidance, happy, indoors, inside, instructor, internet, learn, males, man, men, modern, old, pc, pensioners, people, portrait, retired, school, senior, sitting, skills, student, study, support, table, tablet, teacher, technology, tutor, woman, women, workshop,