Keywords
color image, day, education, elementary school, exams, group of objects, heap, high school, indoors, learning, memory, mound, no people, notebook, notebook cover, old, old-fashioned, open, page, paper, pile, piled up, professor, protection, school, 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, paa206000050