Knowledge expansion:
According to the inquiry, Hainan Province is the lowest latitude province in China, and the southernmost part of our territory is located in Zengmu shoal, Nansha Islands, Hainan Province (about 4 degrees north latitude), which is the lowest latitude region in China.
Hainan Island is located in the northwest of the South China Sea in China, facing Leizhou Peninsula across Qiongzhou Strait in the north and bordering Qinzhou City, Guangxi Zhuang Autonomous Region, China and Viet Nam across Beibu Gulf in the west. The land plane is in the shape of Sydney ellipse, and its long axis runs northeast-southwest, covering an area of more than 30,000 square kilometers, making it the second largest island in China.
The tropical rain forest on the island is dense and the sea water is clear and blue. There are two seasons in a year: dry season and rainy season. Hainan Island is low and flat around, high in the middle, with dome-shaped mountainous terrain, with Wuzhishan and Ying Ge Ridge as the core of uplift and gradually descending around. The annular layered landform is composed of mountains, hills, platforms and plains, and has obvious cascade structure.
The coastline of Hainan Island is arc-shaped, about 16 18km long (the new data is 1823). There are 68 ports that can be built along the coast, among which the alternative ports that can build deep-water ports are relatively scattered. Haikou Port, Sanya Port, Yangpu Port, Basuo Port and Qinglan Port have been built.
Hainan Island is praised by biologists as a natural "species gene bank" and the largest "natural museum". It has the reputation of "Southern Medicine Kingdom"; The wild species in Hainan, such as wild rice, small grain rice, wild litchi, wild tea and red shell pine, are of inestimable value in scientific research and production. 102 rare animals, including black-crowned gibbon and Hainan deer, are listed in the national first-and second-class key protected animals list.
Hainan island's magnificent mountains and rivers, magical virgin forests, rare tropical animals and plants, charming coconut wind and sea rhyme and other natural landscapes; Li and Miao customs, precious revolutionary memorial sites and cultural relics and other cultural landscapes; Coupled with the pleasant climate, it has formed rich tourism resources.
According to ancient books, in the pre-Qin period, Hainan Island and the South China Sea Islands belonged to the Central Plains Dynasty. Since the Qin Dynasty, the administrative offices of Xiang Jun, Nanyue, Zhu Ya, Yu 'er County, Huguang, Guangxi, Guangdong and Hainan Province have been established, and 1988 has established Hainan Province, of which Hainan Island belongs. Hainan is the only Li inhabited area in China.