Keywords
adult, adult education, ages, business, caucasian, chair, classroom, college, computer, computing, desk, differential focus, education, educational occupation, emotion, ethnicity, evening class, expression, female, focus techniques, four people, image source, in a row, inside, intelligence, internet, knowledge, learning, lesson, line, looking, looking over shoulder, male, man, mature adult, mature man, mature student, mature woman, mid adult, mid adult man, occupation, office interior, perception, positive, problem, profile, school, side view, sitting, someone, student, studying, technology, turn, using, woman, worry, stock image, images, royalty free photo, stock photos, stock photograph, stock photographs, picture, pictures, graphic, graphics, fine art prints, print, poster, posters, mural, wall murals, is199-040, is199 040, is199040