Ключевые слова: alarm, building, cam, camera, cctv, city, control, crime, danger, detection, electronic, equipment, guard, industry, lens, look, looking, modern, monitor, monitoring, observe, operating, overhead, police, precaution, privacy, private, property, protect, protection, record, restriction, road, safe, safety, secure, security, sign, spy, street, surveillance, system, technology, urban, video, view, wall, watch, watching, white,