Shelves of coral surround the Pacific island of Palau. Corals, small organisms related to anemones, secrete calcium carbonate, which hardens into an exoskeleton and over time forms reefs.

• 意译：珊瑚王国。货架的珊瑚环绕太平洋岛国帕劳。珊瑚，小生物体相关的海葵，分泌碳酸钙，其中一个外骨骼变硬，并随着时间的推移形成珊瑚礁。