Diplomatic envoys visit Boao Lecheng International Medical Tourism Pilot Zone in south China's Hainan Province, July 24, 2026. At the invitation of the Chinese Ministry of Foreign Affairs, more than 30 ambassadors and senior diplomats visited Sanya, Wuzhishan, Qionghai, Wenchang and Haikou in south China's Hainan Province from Wednesday to Saturday. During the visit, they explored Hainan's scientific and technological innovation, and the development of the Hainan Free Trade Port. (Xinhua/Yang Guanyu)

Diplomatic envoys visit a tea plantation base in Wuzhishan City, south China's Hainan Province, July 23, 2026. At the invitation of the Chinese Ministry of Foreign Affairs, more than 30 ambassadors and senior diplomats visited Sanya, Wuzhishan, Qionghai, Wenchang and Haikou in south China's Hainan Province from Wednesday to Saturday. During the visit, they explored Hainan's scientific and technological innovation, and the development of the Hainan Free Trade Port. (Xinhua/Yang Guanyu)

Diplomatic envoys learn about local culture in Maona Village of Shuiman Township, Wuzhishan City, south China's Hainan Province, July 23, 2026. At the invitation of the Chinese Ministry of Foreign Affairs, more than 30 ambassadors and senior diplomats visited Sanya, Wuzhishan, Qionghai, Wenchang and Haikou in south China's Hainan Province from Wednesday to Saturday. During the visit, they explored Hainan's scientific and technological innovation, and the development of the Hainan Free Trade Port. (Xinhua/Yang Guanyu)

Diplomatic envoys visit the Wenchang Aerospace Science Center in Wenchang, south China's Hainan Province, July 24, 2026. At the invitation of the Chinese Ministry of Foreign Affairs, more than 30 ambassadors and senior diplomats visited Sanya, Wuzhishan, Qionghai, Wenchang and Haikou in south China's Hainan Province from Wednesday to Saturday. During the visit, they explored Hainan's scientific and technological innovation, and the development of the Hainan Free Trade Port. (Xinhua/Yang Guanyu)

Diplomatic envoys visit the Wuzhishan section of the Hainan Tropical Rainforest National Park in south China's Hainan Province, July 23, 2026. At the invitation of the Chinese Ministry of Foreign Affairs, more than 30 ambassadors and senior diplomats visited Sanya, Wuzhishan, Qionghai, Wenchang and Haikou in south China's Hainan Province from Wednesday to Saturday. During the visit, they explored Hainan's scientific and technological innovation, and the development of the Hainan Free Trade Port. (Xinhua/Yang Guanyu)

Diplomatic envoys visit the National Nanfan Research Institute of the Chinese Academy of Agricultural Sciences in Sanya, south China's Hainan Province, July 22, 2026. At the invitation of the Chinese Ministry of Foreign Affairs, more than 30 ambassadors and senior diplomats visited Sanya, Wuzhishan, Qionghai, Wenchang and Haikou in south China's Hainan Province from Wednesday to Saturday. During the visit, they explored Hainan's scientific and technological innovation, and the development of the Hainan Free Trade Port. (Xinhua/Yang Guanyu)

Diplomatic envoys learn about tropical fruits in Qionghai City, south China's Hainan Province, July 24, 2026. At the invitation of the Chinese Ministry of Foreign Affairs, more than 30 ambassadors and senior diplomats visited Sanya, Wuzhishan, Qionghai, Wenchang and Haikou in south China's Hainan Province from Wednesday to Saturday. During the visit, they explored Hainan's scientific and technological innovation, and the development of the Hainan Free Trade Port. (Xinhua/Yang Guanyu)

Diplomatic envoys visit the Wuzhishan section of the Hainan Tropical Rainforest National Park in south China's Hainan Province, July 23, 2026. At the invitation of the Chinese Ministry of Foreign Affairs, more than 30 ambassadors and senior diplomats visited Sanya, Wuzhishan, Qionghai, Wenchang and Haikou in south China's Hainan Province from Wednesday to Saturday. During the visit, they explored Hainan's scientific and technological innovation, and the development of the Hainan Free Trade Port. (Xinhua/Yang Guanyu)

Diplomatic envoys visit Yazhou Bay Science and Technology City in Sanya, south China's Hainan Province, July 22, 2026. At the invitation of the Chinese Ministry of Foreign Affairs, more than 30 ambassadors and senior diplomats visited Sanya, Wuzhishan, Qionghai, Wenchang and Haikou in south China's Hainan Province from Wednesday to Saturday. During the visit, they explored Hainan's scientific and technological innovation, and the development of the Hainan Free Trade Port. (Xinhua/Yang Guanyu)

An aerial drone photo taken on July 23, 2026 shows diplomatic envoys attending a banquet in Maona Village of Shuiman Township, Wuzhishan City, south China's Hainan Province. At the invitation of the Chinese Ministry of Foreign Affairs, more than 30 ambassadors and senior diplomats visited Sanya, Wuzhishan, Qionghai, Wenchang and Haikou in south China's Hainan Province from Wednesday to Saturday. During the visit, they explored Hainan's scientific and technological innovation, and the development of the Hainan Free Trade Port. (Xinhua/Yang Guanyu)