The massive infrastructure project NEOM sits in the Saudi Arabian desert, and the jewel in its crown is The Line, a futuristic city which looks insane.
The AI-generated ads depict a car-free city, for 9 million people housed between two mirrors, stretching along the desert.
Despite promises of millions of residents by 2030, the project has been scaled back by 98 per cent.
The Line will be more like a dot. So what the hell happened? And was it all just a scam? Matt Bevan takes a look.

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