Ключевые слова: accident, action, aid, alertness, assistance, blue, bokeh, car, city, control, cop, crime, danger, department, driving, emergency, first, flasher, flashing, guard, headlight, help, hope, jam, law, life, light, metropolitan, misfortune, night, nightlife, patrol, police, problem, protection, rescue, road, safety, security, siren, street, surveillance, traffic, transportation, urgency, warning,