Las Vegas Sun

April 18, 2014

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A photo from the recent inversion event at the Grand Canyon, where warm air traps cooler, moist air in the canyon, showing the Desert View Watchtower. National Park Service photo by Erin Whittaker

National Park Service

A photo from the recent inversion event at the Grand Canyon, where warm air traps cooler, moist air in the canyon, showing the Desert View Watchtower. National Park Service photo by Erin Whittaker