Ключевые слова: adolescent, back to school, bearded, blur, boyhood, boys, caucasian, cheerful, children, class, classmates, classroom, education, educator, emotion, eyeglasses, friends, friendship, gesturing, girl, girlhood, gray hair, happy, indoors, kids, knowledge, learning, man, mature, middle aged, people, positive, profession, pupils, school, schoolboys, schoolgirl, smiling, speak, study, talk, teacher, teen, teenagers, together, work,