Ключевые слова: area, building, camera, caution, cctv, concept, confident, control, crime, danger, digital, electronic, equipment, guard, home, icon, illustration, lens, live, looking, modern, monitor, observe, outdoors, police, private, protection, record, road, safety, screen, secrecy, security, set, sign, sky, street, surveillance, symbol, system, technology, television, urban, video, view, warning, watch, watching, zone,