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Yosemite National Park is showing off with a rare firefall. This optical trick happens when light hits the falls at just the right angle, creating an illusion of molten lava cascading down the cliff face. Witnessing it demands clear skies, the correct season, specific water flow, a precise viewing spot, and seriously perfect timing. Miss it by mere minutes and the spectacle vanishes. Nature doesn't perform on demand.
1mo
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