Panorama of the Chicago downtown skyline at night, looking across the edge of Lake Michigan. (Four-photo stitch.)<br /> <br /> I was out taking these photso for about forty minutes. The temperature was 4ºF (minus 16.6ºC): during the day it had risen to a high of 7ºF (minus 14ºC). Fortunately I had procured some thermal underwear in the afternoon in anticipation of my evening standing on the icy shore of an icy lake.
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