Students watch AI bipedal robots at a middle school in Changxing county, Huzhou, East China's Zhejiang Province, on September 19, 2024. The event, taking place amid this year's National Science Popularization Day activities that run from September 15 to 25, integrates various means such as a science fair and scientific experiments to allow students to engage with cutting-edge technology such as AI robots and drones. Photo: VCG