A child takes over a product he has purchased from a humanoid robot sales assistant at the exhibition area of the 2025 World AI Conference and High-Level Meeting on Global AI Governance in east China's Shanghai, July 26, 2025. The event kicked off here on Saturday. More than 1,000 officials and representatives of industries, universities and research institutes from home and abroad attended the opening ceremony. (Xinhua/Fang Zhe)