Sky almost seems to mirror land in their textures in this image of the Granite Dells at Willow Lake in Prescott, Arizona. The mottled appearance on the rock formations is also called "Desert Varnish." Granite Mountain is the landmark in the distance. While I initially only processed this image in color, rendering it in black and white seemed to emphasize the textures. By Theresa Rose Ditson. Nikon D810. Nikkor 14-24mm. f/10. 1/160 second.