Las Vegas Sun

April 20, 2014

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A photo of Mather Point from the recent inversion event at the Grand Canyon, where warm air traps cooler, moist air in the canyon. National Park Service photo by Erin Whittaker

National Park Service

A photo of Mather Point from the recent inversion event at the Grand Canyon, where warm air traps cooler, moist air in the canyon. National Park Service photo by Erin Whittaker