Ключевые слова: background, blue, building, business, cctv, city, closeup, control, crime, danger, detection, digital, electronic, equipment, footage, guard, hacking, home, industry, lens, look, looking, modern, monitor, monitoring, observe, office, outdoor, privacy, private, property, protect, protection, record, safe, safety, secure, security, spy, street, supervision, surveillance, system, technology, television, urban, view, watch, white,