Keywords
adult, adult education, ages, ballpoint pen, caucasian, classroom, college, desk, education, educational occupation, ethnicity, expression, holding, image source, inside, lecturer, looking, looking down, making notes, male, man, mid adult, mid adult man, occupation, one person, only mid adult men, only one mid adult man, paperwork, pen, perception, reading, school, serious, sitting, someone, stationery, teacher, 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, is199-051, is199 051, is199051