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Steam rises from the Grand Prismatic Spring on the Midway Geyser Basin in Yellowstone National Park, Monday, May 30, 2005. (Kevin Moloney for the New York Times)
Steam rises from the Grand Prismatic Spring on the Midway Geyser Basin in Yellowstone National Park, Monday, May 30, 2005. (Kevin Moloney for the New York Times)
Filename: Yellowstone_13.jpg
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