(250515) -- SHANGHAI, May 15, 2025 (Xinhua) -- Visitors learn about the workflow of industrial drones in emergency rescue at the DJI booth during the fourth Yangtze River Delta International Emergency Disaster Reduction and Rescue Expo in Shanghai, east China, May 13, 2025. Over 3,000 cutting-edge equipment and technologies are on display at the expo.
With an exhibition area of approximately 60,000 square meters, this year's expo, which runs from Tuesday to Thursday, has attracted over 500 leading companies from nearly 20 countries and regions. (Xinhua/Wang Xiang)
