Source, my dear friend. The world is just too weird for me delineate between real and unreal at this point.
https://www.theonion.com/preemptive-memorial-honors-future-v...
Separately, they completed the spillway upgrades about 10 years after that video was produced, so 1 for 2?:
https://ascecapitalbranch.org/geotechnical-aspects-of-the-fo...
In things that are NOT obviously life and death is where it gets bogged down by people "trying to help".