Workers driving construction machinery work at the construction site of the third phase of Boao Airport in Boao, south China's Hainan Province, March 17, 2025. The third phase of Boao Airport project, which mainly includes the construction of a 34,000-square-meter T2 terminal, a 110,000-square-meter apron and related supporting projects, has recently been accelerating construction. (Xinhua/Pu Xiaoxu)