Some of China's tech advances are on display at Macau's Beyond Expo, including humanoid robots. The show unfolds against a backdrop of simmering tensions between the US and China over access to semiconductors. The Chinese government has accused the Trump administration of undermining recent trade talks in Geneva after the US issued warnings against the use of Huawei's AI chips. Meanwhile, Nvidia CEO Jensen Huang has urged the US to ease restrictions on exporting AI technology to China. --------