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2017 Solar Decathlon | by Dept of Energy Solar Decathlon
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2017 Solar Decathlon

Colorado Governor John Hickenlooper speaks at the U.S. Department of Energy Solar Decathlon 2017 opening ceremony at the 61st & Peña Station in Denver, Colorado, Thursday, October 5, 2017. (Credit: Jack Dempsey/U.S. Department of Energy Solar Decathlon)

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Taken on October 5, 2017