Introduction to the Undersea Ancient Forest Relics Nature Reserve: To protect the ancient tree stumps 7,500 years ago, the cemented ancient oyster reefs 9,000-25,000 years ago, the Shizhen coastal metamorphic rock area, and the old red sand distribution area Geological landscapes such as and coastal dunes are the main content, and its protection objects are ancient seabed forests, oyster reefs and sea-altered metamorphic rocks.