> It seems like a warm day would evaporate nearly all of that water.
Its a humid climate and there is a lot of water in containment plus regular
rainfall
of varying intensity will replenish that which evaporated.
> Plus, when there is too much water (hard rain) .... it seems like
> there could be problems with blowouts - especially the lower terraces.
They have been there for thousands of years. I expect they may be made of
dense clay.
This will be an interesting research project.
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