Improved the natural condiftions for hundreds of millions of people.
The mistake of 黄河三门峡水利工程 is technical, nothing related to Chairman Mao. 张光斗 should be responsible for it
Improved the natural condiftions for hundreds of millions of people.
The mistake of 黄河三门峡水利工程 is technical, nothing related to Chairman Mao. 张光斗 should be responsible for it