According to Snopes, the mass of the water held back by the dam (39 trillion kilograms, or 42 billion tons) is sufficient to change the rotation of the earth:

https://www.snopes.com/fact-check/china-three-gorges-dam/

https://interestingengineering.com/innovation/13-facts-about...

So why is this being downvoted, when the subject is ground subsidence from man-made structures?