Hidden City Tour 2013 03 17 on Flickr.
Via Flickr:
Legally exploring four abandoned buildings in the Germantown section of Philadelphia under auspices of Hidden City Philadelphia.
Luminance HDR 2.3.0 tonemapping parameters:
Operator: Reinhard05
Parameters:
Brightness: -10
Chromatic Adaptation: 0
Light Adaptation: 1
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PreGamma: 1