Keywords
30s, 50s, 60s, 70s, adult education, adult students, african, book, bookshelf, campus, caucasian, class, college, color, colour, education, fifties, five people, group, happy, higher learning, horizontal, image, indoors, information, learning, library, looking at camera, mature student, mature students, mid adult, middle aged, portrait, senior adult, seventies, sixties, smiling, standing, student, teacher, thirties, tutor, university, 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, u17822121