What are the most worth visiting attractions in Sanya?

The main tourist attractions in Sanya are: 1. Yalong Bay National Tourism Resort, located 28 kilometers southeast of Sanya, is the southernmost Half Moon Bay in Hainan, with a total length of about 7.5 kilometers. It is one of Hainan's famous attractions. Yalong Bay beach stretches for 7 kilometers, is gentle and wide, and the shallow sea area is 50-60 meters wide. Visibility is 7-9 meters. There are coral reefs, various tropical fish, precious shellfish, etc. Under the sea. , known as "the best bay in the world". 2. Tianya Haijiao Scenic Area is located at the foot of Maling Mountain in Tianya District, about 26 kilometers away from downtown Sanya. Its front sea and back mountains have unique scenery. Entering the tourist area, a pair of blue-gray boulders more than 10 meters high and 60 meters long rise up from the beach. The words "Tianya" and "Haijiao" are engraved on the two stones respectively, which means the edge of the sky and the end of the sea. This is where the name "Tianya Haijiao" comes from. 3. Wuzhizhou is the “best diving base” in Sanya and even the country. It is also one of the most beautiful islands in Sanya, with the whitest beach in Sanya and rich tropical plants. The dragon's blood tree from the time of the dinosaurs is by far the oldest remaining tree on earth. 4. Nanshan, located 40 kilometers southwest of Sanya City, Hainan Province, is the southernmost mountain range in China and has a tropical maritime monsoon climate. Its air quality and seawater quality rank first in the country, and its forest coverage rate reaches 97%. This is a large park displaying traditional Chinese Buddhist culture. Nanshan is a national AAAAA tourist scenic spot and a national key scenic spot.