Kepler Cascades along the Firehole River in Yellowstone, Wyoming, USA.
Clip 1 - Kepler Cascades in the early afternoon of 7 August 2013.
Clip 2 - Kepler Cascades in the afternoon of 4 June 2014.
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This video is also posted at:
www.youtube.com/watch?v=s6LUciMbwiE