
Chris Tennant took this photo in Great Falls Park in Virginia. He said, “These amazing falls be tricky to shoot. With so much exposed sky and without a spectacular light show you can end up with a very flat image. Lacking any clouds, I patiently waited for the ‘blue hour,’ when the tones in the sky evened out.” Posted on Tumblr by the US Department of the Interior, 4/1/2014.
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