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