Ключевые слова: architecture, background, big, brick, brother, built, business, camera, color, computer, concepts, control, danger, electrical, electronics, equipment, exterior, glass, green, guard, image, industry, instrument, isolated, lens, looking, modern, nobody, office, optical, outdoors, pole, privacy, property, protection, responsibility, safety, secrecy, security, shape, structure, surveillance, system, technology, urban, vertical, video, view, wall, watching,