Darren New <dne### [at] sanrrcom> wrote:
> I meant that one must wonder why the builders would carve the walls into
> hollow mountain shapes. (I.e., your first sentence, rather than the second.)

Well, they only had a finite amount of material, and it was practically
indestructible. No reason to do it any other way really!

> > Spill mountains did not appear in the first book but were a later addition
> > because Larry Niven realized the problem. In the same way, I think that the
> > description of the Rim Walls evolves from the first book till the later
> > ones.
> Yes. Plus, I don't think they came anywhere near the walls in the first
> book. :-) Well, not from the inside, at least.

Nope. They crashed near the middle, headed for the nearest wall, got a small
proportion of the way there, backtracked and jumped out the meteor crater. They
did inspect the walls in some detail before the crash, but, as you say, only
from the outside.

Hmm, I'm sure the walls were sheer on the other side. Perhaps the implication is
that the spill mountains are solid? Whoknows.

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