Ключевые слова: abstract, abstract backgrounds, architecture, arranging, art, arts culture and entertainment, black color, book spine, bookshelf, bookstore, business, capital cities, city life, closeup, collection, concepts, cultures, defocused, diminishing perspective, education, electric light, expertise, ideas, image focus technique, indoors, information medium, learning, library, light effect, lighting equipment, literature, modern, neon colored, neon lighting, no people, paper, part of, printed media, research, selective focus, shelf, sign, stack, still life, studying, stuffed, text, vanishing point, wisdom,