Keywords
absence, attached, blackboard, chalk, chalkboard, classroom, cloth, color image, day, education, eraser, horizontal, indoors, large group of objects, learning, lecture hall, nobody, photography, primary school building, rag, school, school building, secondary school building, shelf, tray, unknown, wall, 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, 462024