This photo taken on Nov. 13, 2024 shows WZ-7 drone on display at the 15th China International Aviation and Aerospace Exhibition in Zhuhai, south China's Guangdong Province. Some domestically developed unmanned aerial vehicles (UAVs) and unmanned aerial systems are displayed at the 15th China International Aviation and Aerospace Exhibition, also known as Airshow China. (Xinhua/Deng Hua)