Egypt did the same thing a few thousand years ago 
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These are super cool.
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Windows of the future?
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Now the only thing you need is sunlight. We don‘t have that in Germany

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Do you know if it also brings in heat? I live in Australia so am always aware of how to keep the sun's heat out in the summer as it gets very, very hot.
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And also helps create roof leaks.
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It's called a skylight you guys
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What a great idea for office space without windows.
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És una idea fantàstica
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I thought it was weird that they inserted the tube inside the house. If that were avery he'd fuck all sorts of shit up.
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Amazing ...
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Saw this year's ago on
@GrandDesigns in a house that had been built into a hill!Thanks. Twitter will use this to make your timeline better. UndoUndo
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love it really :)
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wow!