A photograph of the view from below yellow, orange, and green fall leaves, dark branches, and patches of blue sky that was mirrored once and then again to create four copies of the original photo, one in each of four quadrants. The mirroring creates a kaleidoscope effect.
https://static.toot.community/media_attachments/files/113/323/369/151/063/133/original/62ddb2ec1e1eced6.jpg