Keywords
adult, back view, blackboard, board, caucasian ethnicity, chalkboard, chalkboards, classroom, color image, contemporary, duster, education, electronics, eraser, forties, high school, horizontal, human, indoors, interior, learn, learning, male, man, middle-aged, one, one person, people, pixtal, rear view, shoulders-up, teacher, use, 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, cd277035