A tourist visits Bailu park in Sanyawinportcasinonodepositbonuscodes, south China's Hainan Province, July 22, 2024. Sanya, a popular tourist spot in the southern island province of Hainan, boasts excellent natural beauty. (Xinhua/Pu Xiaoxu)

An aerial drone photo taken on July 23, 2024 shows tourists taking yachts in Sanya, south China's Hainan Province. Sanya, a popular tourist spot in the southern island province of Hainan, boasts excellent natural beauty. (Xinhua/Pu Xiaoxu)

An aerial drone photo taken on July 22, 2024 shows the scenery of Bailu park and Linchun river in Sanya, south China's Hainan Province. Sanya, a popular tourist spot in the southern island province of Hainan, boasts excellent natural beauty. (Xinhua/Pu Xiaoxu)

An aerial drone photo taken on July 22, 2024 shows the scenery of Bailu park in Sanya, south China's Hainan Province. Sanya, a popular tourist spot in the southern island province of Hainan, boasts excellent natural beauty. (Xinhua/Pu Xiaoxu)

An aerial drone photo taken on July 23, 2024 shows the scenery of Sanya Bay in Sanya, south China's Hainan Province. Sanya, a popular tourist spot in the southern island province of Hainan, boasts excellent natural beauty. (Xinhua/Pu Xiaoxu)

An aerial drone photo taken on July 22, 2024 shows tourists visiting Bailu park in Sanya, south China's Hainan Province. Sanya, a popular tourist spot in the southern island province of Hainan, boasts excellent natural beauty. (Xinhua/Pu Xiaoxu)

An aerial drone photo taken on July 22, 2024 shows the scenery of a mangrove park in Sanya, south China's Hainan Province. Sanya, a popular tourist spot in the southern island province of Hainan, boasts excellent natural beauty. (Xinhua/Pu Xiaoxu)

An aerial drone photo taken on July 23, 2024 shows the scenery of Sanya Bay in Sanya, south China's Hainan Province. Sanya, a popular tourist spot in the southern island province of Hainan, boasts excellent natural beauty. (Xinhua/Pu Xiaoxu)