Public domain photos

The image shows a close up of a rock with a lot of lichen on it. The rock is covered in a variety of colors, including white, black, and brown. The lichen is visible on the surface of the rock, giving it a unique texture.

The image shows a close up of a rock with a lot of lichen on it. The rock is covered in a variety of colors, including white, black, and brown. The lichen is visible on the surface of the rock, giving it a unique texture.Open in library