Why did the lieutenant order the fire engines to stop whistling in turn?
. Finally, when a fire truck stopped whistling, the hospital phone also received a whistle system information, medical personnel rushed to the fire location, see the residential area only one window is bright, so they finally found the old lady to call for help
The old lady was saved. If the whole system were whistled, it would be impossible to tell which fire engines had stopped the whistle. The story is so touching.
Because of such a pass, you can find the dying old lady by phone
