Keywords
14 year old, 15 year old, 40s, african american, books, boys, caucasian, chemistry, class, classroom, color, colour, concentrating, education, forties, girls, group, horizontal, image, indoors, lesson, middle aged, protective eyewear, pupil, school, school uniform, science, secondary school, sitting, student, students, studying, table, teacher, teaching, teenage, teenagers, teens, test tube, 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, u14802583