The image shows a close-up of a stone wall with a rough, uneven surface. The wall appears to be old and weathered, with cracks and crevices visible on the surface. On the right side of the image, there is a black and white checkered pattern on the bottom right corner. In the center of the wall, there are several lines and shapes carved into the stone. The lines appear to be in a grid-like pattern, with some overlapping each other. The overall appearance is rough and uneven.