Keywords
14-15 years, 40-45 years, accuracy, african ethnicity, asian ethnicity, assistance, bending, black hair, casual clothing, caucasian ethnicity, concentration, curiosity, dedication, dreadlocks, education, fun, group of people, guidance, high angle view, indoors, intelligence, learning, looking through an object, mature adult, mature men, microscope, multi-ethnic group, real people, research, science, sitting, standing, teacher, teenage boys, teenage girls, teenager, tilt, waist-up, 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, 1574r-0596, 1574r 0596, 1574r0596