If THIS CRAZY MEGAPROJECT Is Completed, WORLD Will Change Forever! Top 20

If THIS CRAZY MEGAPROJECT Is Completed, WORLD Will Change Forever! Top 20
Some structures and transportation projects look like they have been transported to us from the future. But have you ever wondered how much money was spent on their construction? I'll let you in on a secret: the cost of most of them exceeds billions of dollars. In this video, you will get to know the most expensive projects in the world that are currently under construction.
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