caption: The image shows a page from a book with a variety of different types of sea urchins, each with its own unique shape and size. The page is filled with intricate details, from the shells to the intricate patterns and textures of the shells. The colors range from light to dark, with some having a hint of yellow and others having a deep blue. The shells are arranged in a symmetrical pattern, with the largest one in the center and the smaller ones on either side. The text on the page is written in a bold font, adding to the overall aesthetic of the image.