Ключевые слова: 20s, academic, boy, break, canteen, caucasian, cheerful, child, childhood, cute, development, early learning, education, elementary, elementary school, female, focus shot, food, girl, happiness, indoors, knowledge, learn, learning, lifestyle, looking at camera, lunch, male, meal, mixedrace, preschool, pupil, school, school uniform, schoolboy, schoolchild, schoolchildren, schoolgirl, selection, selfservice, serving, smiling, standing, student, teenager, woman, young adult,