Ключевые слова: 24 hour, abstract, alert, area, attention, blue, building, camera surveillance, caution, caution cctv, cctv, concrete, crime, criminal, danger, digital, film, grey, hazard, information, looking, monitored area, observe, police, privacy, private, protection, protector, risk, rob, robbery, safety, secure, security, security guard, security system, see, sign, street, surveillance, text, theft, under, wall, watching, zone,