Tourists enjoy themselves at Phi Phi islands in Krabi, Thailand, Sept. 25, 2025. Phi Phi Islands, located in the central area of the Andaman Sea, are known for their clear sea water and cliff sights. (Xinhua/Sun Weitong)

Tourists take boats for sightseeing at Phi Phi islands in Krabi, Thailand, Sept. 25, 2025. Phi Phi Islands, located in the central area of the Andaman Sea, are known for their clear sea water and cliff sights. (Xinhua/Sun Weitong)

Tourists take boats for sightseeing at Phi Phi islands in Krabi, Thailand, Sept. 25, 2025. Phi Phi Islands, located in the central area of the Andaman Sea, are known for their clear sea water and cliff sights. (Xinhua/Sun Weitong)

Tourists take boats for sightseeing at Phi Phi islands in Krabi, Thailand, Sept. 25, 2025. Phi Phi Islands, located in the central area of the Andaman Sea, are known for their clear sea water and cliff sights. (Xinhua/Sun Weitong)