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https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/3282771

Silhouette of people standing inside Haleakala Observatory watching the sunset through the windows. Original public domain image from Wikimedia Commons

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Silhouette of people standing inside Haleakala Observatory watching the sunset through the windows. Original public domain image from Wikimedia Commons

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