The Humphrey Imax Dome Theater’s most recent presentation, Grand Canyon Adventure, lives up to the promise of the final word in its title: It’s an exhilarating, fast-paced tour of the rivers of the Grand Canyon, complete with fast-paced river-rafting scenes. Of course, there’s educational merit, too: A pair of environmental experts explain the state of the canyon’s endangered rivers. The film screens today at 1:30 and 4:30 p.m.
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