For only a few days each year – normally around February – the elements are perfect for the last of the day’s sun rays to strike the waterfall, creating a magical luminance, a ‘firefall’, one of nature’s rarest phenomena.
Due to a trick of the light, the orange liquid in the photos is actually water pouring over the side of the 2,000ft-high Horsetail Falls in Yosemite National Park, California.
The national park, which spans over 3,000km, attracts over 3.5million visitors a year – and this is one of the highlights.
At about 5.30pm local time, when the sun begins to set, the shadows lengthen, and the rays hit the top of the rock face, a miraculous transformation takes place.
Josh Anon, from San Francisco, managed to be in the right place at the perfect time during a particularly clear sunset.