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Each year in February,Watch Taboo Family Online if the conditions are just right, Yosemite National Park's Horsetail Fall will glow bright orange for a phenomenon fans call the "Firefall."

When sun hits the waterfall at the right angle, it lights the water -- which flow down the side of the rock formation El Capitan -- for about 10 minutes.

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The Firefall is a major draw for photographers looking to capture the unusual natural phenomenon at its brightest.