From: Tony Williams 

Ellen K. wrote:
> Actually here in California there are also light-colored roofs.  My roof
> is asphalt shingles in sort of a light gray color.   (I didn't pick it
> out, came with the house.)   In the 60's white crushed rock roofs were
> all the rage.

That makes sense (I'm guessing you're in the south). I still like the idea
of roofs which change colour depending on weather conditions, but in
practice I expect them to be covered with solar cells instead.

--
Tony

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