"Snowy mountains are gorgeous, but can be challenging models. Casey Withers was recently at Grand Teton National Park in Wyoming trying to capture the sunrise. It was a cold morning and clouds were moving in. ""This shot was set up originally as a test shot as we waited for sunrise, but three minutes later the mountains were covered. Glad I was prepared."" Photo by Casey Withers. Posted on Tumblr by the US Department of the Interior, 12/22/15."
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