Thanks. And the best part is that only the hill WW is built from has to be limestone, the rest can be whatever the geologists like:-) (In fact ONLY the hill should be limestone because then it, err sticks out better? Is more distinctive).
> Ok geologists - can you justify this?
>
It's magic! (Waves hands dismissively about the need for things to
make sense like they're supposed to in the RW:-)).
Oliver
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