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In the ponderosa pine forest near Lowell Observatory.
A good example of a selection effect- the needles aren't
really arranged concentrically to the sunlight, but you can
only see the ones that happen to have that orientation.

4:10pm, Oct. 13 2001.
1/1057 sec., f10.6 ISO 100 (2 stops underexposed)
Subsampled 50%, cropped.