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This is really interesting and highlights the extraordinary achievements in China against desertification. We're currently driving during our Xinjiang RV roadtrip in the North of the Taklamakan desert (2nd largest moving desert in the world!) and it's crazy to see the difference in landscape between settled villages - where...

121,165 次观看 • 9 天前 •via X (Twitter)

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This is again a project of an unfathomable scale that's just been completed in China and barely anyone has heard of it in the rest of the world China has just finished constructing a continuous 3,046-kilometer (1,892-mile) green barrier - made of plants and trees - completely encircling the Taklamakan Desert, the world's second-largest shifting sand desert which is about the size of Germany (!). To put this in perspective, this is like building a living wall from Paris to Istanbul, or from Los Angeles to Chicago – except they built it in one of the world's most inhospitable environments. They spent about 40 years building this "green wall". The final 285 kilometers was completed in 2024 on November 28. They built the "wall" with desert-hardy plants like Populus euphratica (desert poplar), Haloxylon (saxaul), and Tamarix (salt cedar), along with innovative sand-control engineering and solar panel installations. The objective of the project is to contain the desert's expansion and to protect surrounding agricultural areas and cities from sandstorms. Before this project, many towns in the region had to be relocated multiple times due to encroaching sand. For instance, the town of Qira in Xinjiang had to move three times in its history, with sand dunes once approaching as close as 1.5 kilometers from the town center. This is easily one of human history's most ambitious and grandest ecological engineering projects. It's insane when you think about it: completely containing a desert the size of Germany! And it's also insane how little attention this has received globally: sadly we've apparently lost the capacity to be impressed by such a project, let alone have the boldness of vision to conceive of one ourselves. All resulting in the fact that whilst China is out there completing 40-year missions to tame entire deserts, we can barely fix potholes in our roads.

Arnaud Bertrand

610,243 次观看 • 1 年前

Ok, maybe this is me being nerdy but I found this seriously cool! We're on day 33 of our Xinjiang RV roadtrip and today we're going through one of China's most impressive recent engineering accomplishments: the longest highway tunnel in the world, almost 23km long, going underneath the TianShan mountains (called the "Tianshan Shengli Tunnel"). It opened in December last year. What's truly cool is that we managed to visit the tunnel command center, from which they monitor the traffic in the tunnel in real time. It's a FAR more sophisticated operation that I expected: look at this 👇, they monitor each individual car and truck in real time on a massive screen, and have advanced AI systems surface any issue the very second it arises. Without a doubt the single most high-tech tunnel monitoring system in the world. This tunnel is actually genuinely transformational for Xinjiang, probably the single most transformational infrastructure project in the region this millennia (so far): the big issue here is that you have the TianShan mountains, some of the highest mountains in the world (over 7000m high) that literally divide the region in 2 between North and South Xinjiang. Before the tunnel the only way people could travel between North and South (or vice versa) was through small perilous roads through the mountains, or by driving around the mountains - in either case a massive (and often dangerous) journey that would take many hours. The tunnel cuts it down to... just 20 minutes! The highway and tunnel cost an absolute fortune to build - some 40 billion yuan - and there's no way they're ever going to get it back from toll fees alone. But we asked the staff here and they said that when you consider the impact it'll have on Xinjiang's economy as a whole, it's not even close. And that's kind of the whole Chinese infrastructure philosophy in a nutshell: infrastructure is seen as a catalyst, you measure the return across the entire region for the next 50 years.

Arnaud Bertrand

84,169 次观看 • 6 天前