Ключевые слова: academic, backpacks, books, campus, casual, chatting, city, college, communication, conversation, daytime, discussion, education, exam, female, friends, friendship, green, happy, knowledge, learning, leisure, lifestyle, male, nature, outdoors, park, people, postexam, relaxation, relaxing, school, sharing, sitting, spring, standing, students, study, sunny, teenagers, together, university, urban, woman, young, youth,