They are not just bringing life.
“In the last 2500 years, the Yellow River has noticeably shifted its course 26 times, dramatically shifted nine times, and has flooded over 1,600 times. These floods are highly destructive and lethal. The worst floods killed people by the millions.”
https://unchartedterritories.tomaspueyo.com/p/how-humans-wrestle-against-rivers