Ключевые слова: big, blue, brother, building, business, cam, camera, cctv, circuit, city, closeup, control, crime, electronic, equipment, guard, lens, life, look, modern, observe, office, people, privacy, private, property, protect, protection, record, safe, safety, security, securitycamera, see, sky, spy, spying, surveillance, system, technology, television, tv, urban, video, view, wall, watch,