Keywords
18-19 years, 40-45 years, casual clothes, classroom, color image, computer, concentrating, day, desktop computer, education, expertise, explaining, explanation, focus, glasses, helping, indoors, instructor, keyboard, leaning against, looking, low angle view, male college student, man, mature adult, mature man, monitor, northern european ethnicity, out-of-frame, school, selective focus, side by side, sitting, southern european ethnicity, student, teacher, teaching, two people, waist up, young adult, young man, 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, fai049000052