Ключевые слова: background, border, cage, camera, cameras, cctv, control, danger, digital, electronic, equipment, fence, forbidden, guard, house, look, military, monitor, monitoring, observe, office, outdoor, perimeter, prison, privacy, private, property, protect, protection, record, safe, safety, secure, security, seek, sky, spy, street, surveillance, system, tech, technology, television, urban, video, view, wall, watch, wire,