Keywords
adolescence, adult, attention, attentive, caucasian ethnicity, classroom, college, color image, contemporary, desk, education, explain, explanation, female, full length, girl, group, high school, higher learning, horizontal, human, indoors, interior, learn, learning, paper, people, pixtal, professor, pupil, sitting, student, teach, teacher, teaching, teenager, university, woman, young, young adult, youth, 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, we022717