Darren New <dne### [at] sanrrcom> wrote:
> Bill Pragnell wrote:
> > Pretty boring living on a table top tho :)
>
> Mountains!  We're talking about the walls, aren't we?

Yes, sorry, world of my own. Um, dunno. Thomas' reply, that they are sediment
reservoirs, seems the only likely explanation other than pure aesthetics, which
the builders may or may not have been concerned with. (Not, if memory serves).

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