Visitors learn about an aircraft at the booth of AEROFUGIA at the International Advanced Air Mobility Expo in east China's Shanghai on July 23, 2025. (Xinhua/Wang Xiang)

　　Contestants practice at the training area during a “football match of drones“ at the International Advanced Air Mobility Expo in east China's Shanghai on July 23, 2025. (Xinhua/Wang Xiang)