Ключевые слова: ambulance, assistant, auto, background, blue, brigade, car, city, danger, emergency, emergency doctor, emergency services, fire, fire brigade, fire truck, firefighter, fireman, firetruck, first aid, flashing, light, medical service, night, night time, paramedic, protection, public servant, raining, red, reflector, rescue, rescue worker, rescue workers, rescuer, road, serve, service, siren, siren light, sirens, street, superhero, traffic, transport, transportation, truck, urban, urgency, urgent care, vehicle,