Keywords
adult, adult education, african, ages, business, chair, classroom, college, computer, computing, concentration, desk, education, educational occupation, ethnicity, evening class, expression, image source, inside, intelligence, knowledge, learning, lesson, male, man, mature student, mid adult, mid adult man, occupation, office interior, one person, only mid adult men, only one mid adult man, positive, school, serious, sitting, someone, student, studying, technology, using, working, 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, is199-003, is199 003, is199003