Ключевые слова: alertness, area, atmosphere, bright, camera, closeup, cloud, cloudy, crime, dark, detection, equipment, eyes, fog, footage, guard, high, intelligence, landscape, light, monitor, monitoring, night, observation, observe, outdoor, outdoors, patrol, perspective, pole, protection, safety, scanning, security, sensors, shadow, sight, sky, surveillance, threat, view, visibility, watch, watchful, watchtower,