Round-the-island sightseeing highway in S China's Hainan under construction

This aerial photo taken on Dec. 30, 2022 shows a section of the round-the-island sightseeing highway in Wenchang, south China's Hainan Province. (Xinhua/Pu Xiaoxu)

This aerial photo taken on Dec. 30, 2022 shows a section of the round-the-island sightseeing highway in Wenchang, south China's Hainan Province. (Xinhua/Pu Xiaoxu)

Workers pave the road at a construction site of the round-the-island sightseeing highway in Wenchang, south China's Hainan Province, Dec. 30, 2022. (Xinhua/Pu Xiaoxu)

This aerial photo taken on Dec. 30, 2022 shows a section of the round-the-island sightseeing highway in Wenchang, south China's Hainan Province. (Xinhua/Pu Xiaoxu)

This aerial photo taken on Dec. 30, 2022 shows a section of the round-the-island sightseeing highway in Wenchang, south China's Hainan Province. (Xinhua/Pu Xiaoxu)

Workers water the roadside plants along the round-the-island sightseeing highway in Wenchang, south China's Hainan Province, Dec. 30, 2022. (Xinhua/Pu Xiaoxu)