Ключевые слова: alert, alertness, camera, caution, cctv, city, control, crime, defense, deterrent, device, digital, electronic, equipment, evidence, guard, hightech, infrared, lens, light, modern, monitoring, network, night, observation, outdoor, patrol, prevention, privacy, protection, public, rain, record, red, safety, secure, security, street, surveillance, system, technology, urban, vigilance, vision, warning, watch, watchful, watchman, wet,