Las Vegas Sun

April 19, 2014

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A photo of the North Rim's Grand Canyon Lodge taken during the recent inversion event at the Grand Canyon, where warm air traps cooler, moist air in the canyon. Photo courtesy of the National Park Service

National Park Service

A photo of the North Rim's Grand Canyon Lodge taken during the recent inversion event at the Grand Canyon, where warm air traps cooler, moist air in the canyon. Photo courtesy of the National Park Service