The Line megacity in Saudi Arabia

With its oil money, Saudi Arabia is building a medium-sized city in a line along the coast. The project is currently consuming 20% of the world's steel! It will be one huge, air-conditioned building. On the bright side, no cars and supposedly no carbon emissions.

So I wanted to see what everybody thinks. Crazy? The future?

https://en.m.wikipedia.org/wiki/The_Line,_Saudi_Arabia

My opinion is that Saudi Arabia is running a budget deficit so the first stage of the project might not even finish.

Sounds like an arcology. There's not a lot of information there to make an informed comment about it.

It's hard for me to imagine life in the Arabian peninsula, but I'm assuming the blistering heat and aridity make for considerable design challenges. I can imagine that concentrating population in an planned urban center where efficiencies of scale come into play might pay off even those tremendous expected costs within an imaginable future timeline.