Keywords
50s, adults, book, campus, caucasian, class, college, color, colour, education, evening class, fifties, glasses, grey education, higher learning, hispanic, image, indoors, learning, lesson, library, man, mature student, mature students, men, middle aged, reading, research, senior, sitting, students, study group, studying, teaching, three people, together, tutor, university, vertical, woman, 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, u17372274