During this time, there were a large number of stones stored in Sangtai County, even if they were fought for ten days and ten nights, they would not be used up, after all, so many homeless people were free labor, so there was no need to use them in vain!

This is also a wartime benefit, if Xu Ying wants to mobilize so much labor in normal times, I don't know how much it will cost!

At the beginning, Lingshan County only mobilized more than 3,000 laborers to build the Swallowing Heaven Cave Reservoir, and the total amount of silver spent was more than 10,000 taels!

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Chapter 577 The Great War Has Officially Begun is in the middle of a hand-to-hand fight, please wait a moment,

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