Keywords
30-35 years, 35-40 years, 6-7 years, african ethnicity, assistance, boys, casual clothing, caucasian ethnicity, childhood, day, dedication, education, elementary age, elementary student, girls, group of people, guidance, hand on chin, head and shoulders, indoors, learning, looking, mid adult, mid adult women, model, molecular structure, multi-ethnic group, pointing, real people, school children, schoolboy, schoolgirl, science and technology, sitting, smiling, teacher, teaching, toothy smile, 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-0525, 1574r 0525, 1574r0525