John Heinz National Wildlife Refuge at Tinicum8601 Lindbergh BlvdPhiladelphia, PACopyright 2016, Bob Bruhin. All rights reserved. (prints via fork.cc/2dMxsqT) (via Panorama 3014_blended_fused_pregamma_1_mantiuk06_contrast_… | Flickr) (Source: http://fork.cc/)