The image is a close-up of a rock surface covered in yellow lichen. The lichen is densely packed together, covering the entire surface of the rock. The color of the lichen appears to be a bright, vibrant yellow, with some areas appearing darker and others lighter. There are several small, oval-shaped structures scattered throughout the rock, which are also covered in the same yellow color. The rock itself is dark and weathered, with patches of gray and white lichen visible. The overall texture of the image is rough and uneven.