Keywords
boy, caucasian, child, class, classroom, concentrating, concentration, desk, education, head in hands, indoors, inside, learning, listening, male, people, person, pressure, pupil, school, secondary school, sitting, stress, stressed, student, study, studying, teen, teenage, teenager, under pressure, uniform, vertical, writing, 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, u19673415