Keywords
50s, 60s, adults, asian, book, campus, caucasian, class, college, color, colour, concentrating, education, evening class, fifties, glasses, grey education, hand on head, higher learning, image, indoors, learning, lesson, library, man, mature student, mature students, notepad, reading, research, senior, serious, sitting, sixties, students, studying, together, two people, university, vertical, woman, 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, u12210899