Dramatic reveal of Grand Prismatic Sprin from behind tree covered ridge. Grand Prismatic Spring and Excelsior Geyser in the Midway Geyser Basin, Yellowstone National Park -- Available in HD and 4k -- 3840 x 2160 - 1.8 GB - QuickTime Movie - Apple ProRes 422 HQ - 77.3 MB/sec - 23.98fps --