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Sun-Tracker Skylights by Cira Light Global are an eco-friendly innovation so ingenious, it's impossible to believe they won't be commonplace in the near future.

Powered entirely by a built-in solar panel, the devices use GPS technology to align themselves with sunlight, which they then reflect inside their building to provide clean, free and vivid natural light. As if that wasn't enough, the productivity and general happiness of workers operating in natural light has been documented as staggeringly higher than in artificial lighting, making Sun-Tracking Skylights not only earth-friendly, but business-friendly as well.