Breaking News: DA to release El Cajon shooting video. Listen live at 2 p.m.: 89.5 FM or stream online. (Posted 09/30/16 at 12:57 p.m.)
Credit: ©Tom Murphy
Above: Steam from a geothermal spring coats bison in frost in this program, which presents a breathtaking look at wintertime deep within America's first national park, including bountiful wildlife and pristine landscapes.
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