Keywords
50s, 60s, adults, african american, asian, book, campus, caucasian, class, classroom, college, color, colour, concentrating, education, evening class, fifties, grey education, group, horizontal, image, indoors, learning, lesson, library, mature student, mature students, middle aged, multi ethnic, reading, research, senior, sitting, sixties, students, study group, studying, textbook, textbooks, three people, together, university, women, 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, u12964720