Quote:
Originally Posted by Icelander
What would be the effects of a millenia or two on that kind of wall? ... Hot and sunny, for the most part, with, if anything, slightly less rain that in good for crops.
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Well, it will need maintenance. The way to make that a tolerable burden is to use
asphalt for mortar and waterproofing, which has ample historical precedent, but does require that the stuff be available within a reasonable distance.