Ключевые слова: attached, blue, brick, brown, building, cam, camera, city, close, closeup, control, electronic, equipment, estate, guard, industry, intelligence, line, look, monitor, monitoring, observe, office, outdoor, prevent, private, protect, protection, record, safety, security, see, shadow, sky, spy, surveillance, system, technology, television, two, urban, verify, video, view, visual, wall, watch, white,