Pretor-Pinney: Cloudy with a chance of joy

TED Gavin Pretor Pinney _00021129.jpg
TED Gavin Pretor Pinney _00021129.jpg

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    Pretor-Pinney: Cloudy with a chance of joy

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Gavin Pretor-Pinney, founder of the Cloud Appreciation Society shares charming photos of nature's finest architecture.