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They are using these underground to help simulate the true daylight experience. Basically a smart led version of a traditional roof sunlight: https://www.yout
by edoo 7y ago
They are using these underground to help simulate the true daylight experience. Basically a smart led version of a traditional roof sunlight: https://www.youtube.com/watch?v=aJ4TJ4-kkDw https://www.youtube.com/watch?v=aJ4TJ4-kkDw
- keenmaster 7y agoWow. It’s hard to believe that’s real.