Ключевые слова: back, backpack, bag, boy, casual, caucasian, cheerful, child, childhood, classroom, clever, confident, cute, education, elementary, expression, face, fun, handsome, happiness, happy, human, kid, knowledge, learn, lifestyle, little, male, people, person, portrait, pose, positive, primary, pupil, rucksack, school, schoolboy, schoolchild, schoolchildren, schoolkid, smart, smile, smiling, student, study, teenager, white, young, youth,