Ключевые слова: abstract, background, blur, blurred, blurry, bokeh, book, bookcase, bookshelf, business, cabinet, chair, classroom, cognition, collection, college, corridor, defocused, desk, education, empty, hall, indoor, information, inside, interior, knowledge, library, light, literature, modern, office, perspective, public, read, research, room, row, school, science, shelf, study, table, text, textbook, university, vintage, white, window, wisdom,