<caption><image_0>The image is an underwater photograph of a coral reef. The coral reef is covered in various shades of green and brown, with some areas appearing to be rough and jagged. In the center of the image, there is a large, round, white sea urchin with spines protruding from its body. The urchins have a speckled pattern on its surface and are covered in small, dark spots. The background is blurred, but it appears to be an underwater environment with other coral reefs and fish visible.</caption> so
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