<p>The shadow of four people is shown on the ground near a bubbly, blue hot spring.</p>
<p>Shadows at Crested Pool, Upper Geyser Basin</p>
<ul><li>Keywords: 20160617-ndh-5303; boardwalk; park structures; thermal features in yp; yellowstone national park; boardwalk safety; crested pool; exploring the thermal basins in summer; visitor activities</li></ul>
Neal Herbert
Taken on 17 June 2016
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