Introduction to the Small Pearl Island: Two large and small pearl islands float in the distance in the water, ethereal and mysterious. From a distance, they are green like emeralds, without any of the silvery color that pearls must have, which inevitably makes people feel a little strange. However, when you tie a boat and cross the island, you can see that the island is exposed to silver rocks, and the green forest growing out of the cracks in the rocks makes the island look like pearls inlaid on emerald. generally.