Keywords
boy, caucasian, chemistry, child, children, class, classroom, college, concentrating, concentration, desk, education, experiment, group, happy, indoors, inside, lab, laboratory, learning, listening, making notes, male, microscope, people, person, pupil, science, secondary school, sitting, smiling, student, study, studying, taking notes, teen, teenage, teenager, test tube, together, tutorial, uniform, vertical, white coat, young, 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, u19345145