PREVIEW
... o Zhengtong led me on a tour all about the place, including some of the fledgling stages of his water management techniques; generous improvements on levees with the addition of narrow bypass channels, and he’s evidently experienced and interested in this.
He asked me for my opinion. I don’t know a single thing about controlling riverflow apart from that it’s best to plant trees in the Loess Plateau to act as a barrier to prevent soil erosion, but it’s not s ...
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