This is a particularly beautiful rock formation making up the sheer canyon walls of Cave Creek Canyon in SE Arizona. The yellow-green is a lichen that grows on the canyojn walls.
View of the canyon cliffs at Cave Creek Canyon in Southeast Arizona.
This view is of the canyon walls of Cave Cree Canyon in the Chiricauhua Mountains in Southeast Arizona. The yellow green on the red rock cliffs is a lichen that grows there.
