Summary: In California's Yosemite Park there is a waterfall called Horsetail Falls. In February, when the sun hits the falls at a specific angle, the falls look like they are on fire. It has received the name "Fire Fall". This year, because of the snow and rain, Horsetail Falls is much bigger.
Vocabulary: A word that people need to know to understand this article is optical illusion. An optical illusion is something that deceives the eye by appearing to be other than it is, or an experience of seeming to see something that does not exist or that is other than it appears. The word optical illusion is a noun. Another word needed to understand this article is waterfall. The noun means a cascade of water falling from a height, formed when a river or stream flows over a precipice or steep incline.