雨夜里，长沙有群永不“离线”的守护者
On the last stormy night, there were a group of people standing by all night for the would-be problems caused by heavy rain in Changsha.
In the early morning of June 18th, Yan Boping and his colleagues were in the office, closely monitoring the weather conditions.
Their team could be regarded as the core team of flood control in Changsha.
