I might like the idea of these narrow vertical windows up high on the side of the house not facing the sun; a little extra light, and they break up the look.
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I like the idea of a glass roof, or lots of windows up high for natural light.
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Like the brick shower, rock would work too - probably better (looking anyway).
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This is interesting. Why not use and exterior material (brick) to line the shower; looks cool; designed to weather well. I like it.
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I like this rusty metal exterior (what are the downsides?)
interior concrete
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