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Geotechnical Egineering News tagged with [firefall]

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National Park in California
CNN   18 February 2016   USA   Yosemite, California  
'Firefall' is caused by the angle of the sun setting that illuminates the waterfall
<p>No, that is not lava flowing over a cliff. The illusion of fire falling over Horsetail Fall in Yosemite National Park is a yearly phenomenon.</p> <p>People call it the "firefall," and it is a completely natural effect that occurs when the angle of the sun ...