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This photo tricked me when I was reviewing it even though I specifically remembered taking it. I knew it was the shadows of a grating on the beams of a bridge and not the gratings themselves but it still reads as a grating to me. But because shadows defuse and there's a noticeable texture on the steel beams, the photo reads (to me at least) as a grainy photo. So it came doubly as a surprise when there was a crisp watermark right in the middle of the photo. The 'Carnegie' mark on the steel (also visible top right) looks like it's on sky not solid. Maybe it's just me