Europe is Building a Massive Undersea Power Network
![](https://i.ytimg.com/vi/03AtIZjziJw/mqdefault.jpg)
13:22
Hong Kong's $11BN Underwater Railway Explained
![](https://i.ytimg.com/vi/WC02xRcRYzs/mqdefault.jpg)
36:47
The World's Biggest Flood Defence Megaprojects
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18:20
The Problem with Solar Energy in Africa
![](https://i.ytimg.com/vi/eduPVDj4rzU/mqdefault.jpg)
11:00
Zelensky warns the days of America’s guaranteed support for Europe are over
![](https://i.ytimg.com/vi/DN1mPBQd7fY/mqdefault.jpg)
15:16
The World Needs Supergrids, But There's a Problem
![](https://i.ytimg.com/vi/P_fHJIYENdI/mqdefault.jpg)
24:52
The Most Useful Thing AI Has Done
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10:34
Why All Buildings Should Be Timber
![](https://i.ytimg.com/vi/_tC_5ryXY7U/mqdefault.jpg)
25:58