China's shadowy oil refineries, AI race vs. US & more | China news roundup

US President Donald Trump arrived at China's capital in a high stakes visit carrying global consequences, as the world's two largest economies frame their trade relationship.

Here's a roundup of China-related stories, from a shadowy network of Chinese oil refineries linked to Iran to an update on the AI race between the US and China.

0:00 The network of Chinese oil refineries funding Iran 2:53 US-China AI performance gap has 'effectively closed' 6:35 Concerns arise after humanoid robot shatters human half-marathon record 11:48 US has concerns over Taiwan's decreased military spending 16:20 Chinese censors are allowing Chinese citizens to post AI propaganda critical of the US's war with Iran

Watch more CNN here: https://cnn.it/4kh5RPe

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