<p>A group of people stand on a boardwalk near a hot spring that reflects blue and orange colors in its steam and has a rounded hill in the background.</p>
<p>Visitors on the boardwalk at Grand Prismatic Spring;
Diane Renkin;
May 2016;
Catalog #20590d;
Original #1110137</p>
<ul><li>Keywords: 20590d; thermal features in yp; yellowstone; yellowstone national park; exploring the thermal basins in summer; visitor activities</li></ul>
NPS/Diane Renkin
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