In order to do a really good job of city land subsidence control, Haishu, Jiangdong and Jiangbei will be listed as the groundwater taken forbidden districts, all mining wells will be closed and no well will be permitted to explore till the end of this year. This is the latest news in the executive meeting of the municipal government yesterday morning.

　　Accounting for the history reason, our city has explored the amount groundwater for a long period of time, thus caused surface subsidence in regional parts. Since 1990s, high-density urban construction, excavation and other construction activities, have triggered the engine character surface subsidence, so become the new factors of ground subsidence.