The image shows a close-up of a concrete surface with small rocks and pebbles scattered around. The surface appears to be uneven and has a rough texture. The color of the surface is a bright, vibrant green, which stands out against the gray of the concrete. There is a small amount of green algae or algae growing on the surface, covering the entire surface. The algae is spread across the surface in a random pattern, creating a sense of depth and dimension. The overall appearance of the image is rough and uneven.