with fresh water. The location of the buried treasure remains unknown. Nature reserves Qing'ao Bay Located at the easternmost end of Nan'ao Island, lying on the Tropic of Cancer, Qing'ao Bay is the first place in Guangdong Province to see sunrise. In recent years, Qing'ao Bay has been developed as an important area for creation of national-level ecological demonstration zones and national 4A-level tourist zones. Coastal garden construction, ecological environment construction of sewage treatment project, beach comprehensive treatment, hotel domestic sewage discharge standard, mountain spring water source protection, and sea area environmental improvement have been developed a lot, all of which ensure the effective management and protection of local natural ecosystems such as bays, rocky banks, beaches, streams, gardens and vegetation. The Qing'ao bay corridor was built on the southern beach reefs of Qing'ao Bay. Pavilions have been constructed overlooking the sea. Nan'ao Yellow Flowers National Forest Park Located in the west of Nanao Island, with a total area of 13.73 km2, the park is an ecological park integrating natural landscape, cultural landscape and rejuvenating treatment. In 1992, the Ministry of Forestry of China approved the original Yellow Flower Mountain Forest Farm as the "Island National Forest Park". Here there is the Dajian mountain, which is known as the "First Peak in Shantou", with an elevation of 588.1 meters. It is the only island national forest park in China. The erosion of sea breeze, sunshine and rainwater for a long time cause weathering of rocks, which is called granite landform. A large number of Taiwan Acacia trees are planted here, yellow flowers blossom in spring, hence the name Yellow Flower Mountain. The park is rich in natural resources and cultural landscape, the forest coverage is over 90%. There are over 1440 tropical and subtropical plants in 102 families, including Podocarpus Nagi, which is called living fossil, fine-leaved grapes, and boxwood plants. It has more than 40 kinds of national protected wild animals such as Plumed Egret, pythons and Cyclemys trifasciata (money turtles). Migratory Bird Nature Reserve Nanao migratory bird nature reserve is named Paradise of Birds, There are more than 90 species of birds here, including 46 species of migratory birds under the Sino-Japanese Conservation Agreement, 3 species of national first-class protected birds, and 5 species of second-class protected birds. Every year during June to September, thousands of marine migratory birds gather here. Egret Park Egret Park is an important