Ключевые слова: 4, backpack, book, boy, caucasian, child, childhood, classmate, corona, covid19, education, female, friend, full, fulllength, generation, girl, group, hand, holding, isolated, joyful, leisure, length, lifestyle, little, male, mask, pandemic, person, portrait, protective, pupil, school, schoolboy, schoolchild, schoolgirl, schoolkid, small, standing, student, study, studying, uniform, vertical, vest, virus, white, young, youth,