Keywords
16-17, 16-17 years, 1717, 45-50, 45-50 years, adolescence, adult, african, african ethnicity, book, boys, brown, brown hair, camera, casual, casual clothing, caucasian, caucasian ethnicity, classmate, classroom, cloth, clothing, confidence, education, equipment, ethnicity, feb07, formal, formal clothing, front, front view, girls, group, hair, happiness, high, high school student, indoors, jacket, knowledge, lab, laboratory, laboratory equipment, learn, learning, long, long hair, look, looking, looking at camera, mature, mature adult, mature men, men, microscope, multi-ethnic, multi-ethnic group, occupation, pencil, people, professional, professional occupation, purestock, school, science, science lab, short, short hair, smile, smiling, sseditor=jm, student, teach, teacher, teaching, teenage, teenage boys, teenage girls, teenager, three, three people, toothy, toothy smile, utensil, view, waist-up, write, writing, writing utensil, years, 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-25308, 1574r 25308, 1574r25308