This aerial photo taken on Dec. 3, 2023 shows the scenery along the Hainan coastal highway for sightseeing in Wanning, south China's Hainan Province. 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)