Public domain photos

The image shows a close up of a rock covered in lichen, with dried sticks scattered around it. The lichen is a vibrant green color, and its texture is rough and bumpy. The sticks are a light brown color and are arranged in a pattern around the rock.

The image shows a close up of a rock covered in lichen, with dried sticks scattered around it. The lichen is a vibrant green color, and its texture is rough and bumpy. The sticks are a light brown color and are arranged in a pattern around the rock.Open in library