A deep orange sunset in Yosemite National Park has created quite an optical illusion, turning a waterfall into what looks like a fiery lava flow. The phenomenon, known as 'firefalls', occurs for a ...

Sunset creates 'firefall' illusion on Yosemite waterfall stream A waterfall cascading down a cliffside looked like rolling lava as the sun's reflection created an illusion on Yosemite's Horsetail Fall ...