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PBS News Hour
Photographers chase Yosemite’s rare moonlight rainbows
On a clear night in Yosemite, only a few times each year, the full moon hits a misty spray of the highest waterfall in the park, creating a nighttime rainbow that is visible only through a camera lens. But this year, Yosemite Falls, which normally flows until August, will be dry by June, making more moonbow sightings uncertain. Special correspondent Sandra Hughes reports.
