Keywords
adult, adult education, ages, ballpoint pen, book, caucasian, classroom, college, document, education, educational occupation, emotion, ethnicity, evening class, expression, female, four people, happiness, image source, inside, learning, making notes, male, man, mature adult, mature man, mature student, mature woman, notebook, occupation, pen, school, smiling, someone, stationery, student, woman, 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, is199-013, is199 013, is199013