Although this is the first time everyone has heard of the well-channel plan, since it is theoretically feasible, we can give it a try.
Anyway, it's the cold winter and so many people are staying at home with nothing to do, so we might as well do something big.
And although it is winter now, since Xizhou is surrounded by mountains and forms a basin, the temperature in winter is not too low, so it is not impossible to dig canals outdoors.
Seeing that no one objected to this plan, Ethan Yun pointed at a point on the sand table and said to Lu Changshi:
"Use this place as a reservoir, and then dig a vertical shaft every ten feet along this line to the north. After the vertical shaft is dug, extend it to the south and north to dig a culvert, and merge it with the culverts of the front and rear vertical shafts..."
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