Ключевые слова: 1011 years, 1213 years, academic, african, african ethnicity, angle, angle view, angle views, angles, apparel, arm, arms, art, art class, art classes, art materials, art supplies, arts, asian, asian ethnicity, asiatic, black people, black person, blur, blurred, boy, boys, casual clothes, casual clothing, child, children, class, class room, class rooms, classes, classmate, classmates, classroom, classrooms, clothes, clothing, color, color image, color images, colour, colour image, colour images, craft, crafts, creative, creativity, day, days, daytime, differential focus, eastern ethnicity, educating, education, educational, elementary education, elementary school, female, females, girl, girls, hand, hands, indoor, indoors, inside, interior, junior education, junior school, kid, kids, learn, learning, lesson, male, males, multi ethnic group, multi racial group, offset angle, offset angles, only children, pacific islander, pacific islander ethnicity, pacific person, people, person, preadolescent, preadolescent boy, preadolescent boys, preadolescent girl, preadolescent girls, preadolescents, pupil, school, schools, sd0707009, sd0707011, sd0707015, selective focus, student, students, table, tables, tween, tweens, tweeny, two people, vertical,