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Black and White

Electric Smoke

Close up front of Natural Science Building.

This summer MSU is cleaning the limestone(?) on the Natural Science Building. Before they get to the main entrance I wanted to capture the “electric smoke” stains.Am not sure how these form.

My theory has something to do with the heat of lamps causes (slightly acidic) rain/snow to react more with the stone … lots of hand waving … darker stones.

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