An ambulance arrived with its sirens blaring, and a doctor began providing emergency medical treatment on the spot. A crowd of onlookers, mostly residents from the neighborhood, gathered around to watch.,Two nurses helplessly persuaded Shi Chen. They had long been accustomed to life and death, but they were seeing someone who had fallen from a building wake up so well for the first time.,"No, you must stay and observe. Your condition is very serious, and it could trigger..."。