The image shows a large rock in a glass case on a table, with a wall in the background.
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The image shows a large rock in a glass case on a table, with a wall in the background. The rock appears to be a brachiopod, a type of fossilized shell found in the Neolithic period. It has a smooth, cylindrical shape with a pointed end and a flat base. The glass case is transparent, allowing the viewer to see the rock inside.