A vehicle is seen on the Hainan coastal highway for sightseeing in Dongfang, south China's Hainan Province, Dec. 9, 2023. The opening ceremony of the Hainan coastal highway for sightseeing was held in Haikou on Monday. This 988-kilometer ring road connects most bays, capes, specialty townships, scenic spots and resorts along the coast of this island province. (Xinhua/Pu Xiaoxu)