A visitor tries a simulated piloting device for unmanned aerial vehicles (UAV) at the 2024 Chengdu International Low-altitude Equipment and Services Expo in Chengdu, southwest China's Sichuan Province, Sept. 20, 2024. The 2024 China (Chengdu) International Low-altitude Economic Partnership Conference & 2024 Chengdu International Low-altitude Equipment and Services Expo is held here from Sept. 19 to 21, showcasing cutting-edge technologies and new products in low-altitude economy.