What are the most worthwhile attractions in Sanya?

Main tourist attractions in Sanya: 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, and is one of the famous scenic spots in Hainan. Yalong Bay beach stretches for 7 kilometers, 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 and precious shellfish. At the bottom of the sea. Known as "the first 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 Qianhai and Houshan have unique scenery. Stepping into the tourist area, a pair of blue-gray boulders with a height of 10 meters and a length of more than 60 meters rose from the beach. The two stones are engraved with the words "Tianya" and "Cape" respectively, meaning the edge of the sky and the end of the sea. "Tianya Haijiao" got its name from this. Wuzhizhou is the "best diving base" in Sanya and even the whole country. It is also one of the most beautiful islands in Sanya, with the whitest beaches and rich tropical plants in Sanya. The dragon's blood tree in the dinosaur era is the oldest tree left on the earth so far. 4. Nansan, located 40km southwest of Sanya, Hainan Province, is the southernmost mountain range in China, with a tropical marine monsoon climate. Its air quality and seawater quality rank first in the country, with a forest coverage rate of 97%. This is a large park that displays the traditional Buddhist culture in China. Nansan is a national AAAAA tourist scenic spot and a national key scenic spot.