I went to Sanya and got a tan after only playing at the seaside for four hours. It was not dark after the sun, so I sat in a chair for a while and went back to the hotel to have a look.

The ultraviolet rays in Sanya are relatively strong. It is generally recommended to swim until the sun goes down, or before the sun comes out. If the sun is red, it means that ultraviolet rays are sunburned, because your skin is not adapted to such an environment, but it is not a big problem. If you look at some foreigners and foreigners in Sanya, there is nothing wrong with red skin. I hope you have a good time and won't be affected ~