Ключевые слова: 2024 years, 5559 years, advice, backpack, beijing, bonding, campus, cheerful, china, chinese ethnicity, closeup, color image, day, discussion, education, enjoyment, face to face, focus on foreground, four people, friendship, front view, head and shoulders, holding, horizontal, joy, mature women, outdoors, passion, photography, professor, rear view, relaxation, school, smiling, student, studying, talking, teacher, togetherness, university, university student, walking, years, young men, young women,