Ключевые слова: 2030, 5060, adult, book, casual, caucasian, chalkboard, classroom, clothing, club, cohesive, course, courses, desk, discussion, education, european, extension, girl, giving, group, happy, holding, indoors, informal, information, interior, job, lecture, lesson, lifestyle, man, many, mature, people, portrait, professional, russian, senior, sitting, smiling, students, teacher, together, university, wellbeing, woman, young,