Ключевые слова: 3d, background, brick, building, business, camera, cctv, construction, control, copyspace, crime, electronic, equipment, guard, illustration, industry, lens, mockup, modern, monitor, monitoring, nobody, observe, office, outdoor, outside, privacy, private, property, protect, protection, record, red, render, rendering, safety, secrecy, secure, security, spy, surveillance, system, technology, television, two, video, view, wall, watch, watching,