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Once the world's highest bridge, this marvel has been surpassed. China's🇨🇳 engineering might now conquers towering mountains and spans boundless seas. We've proved that Earth offers no insurmountable challenges. The Moon is our next objective.

25,378 просмотров • 9 месяцев назад •via X (Twitter)

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Day 3 of our Xinjiang RV roadtrip: we're standing right at the border between the North of Xinjiang and the South, separated by the massive TianShan mountain range with some of the world's highest mountains (highest peak at 7,439 meters, 24,406 ft). That's something people often don't realize: if you take the top 10 highest mountain ranges in the world, 7 of them are in China and 4 in Xinjiang specifically: Karakoram (which includes K2, the world's 2nd highest peak), Pamir, TianShan (these very mountains we're at the bottom of) and Kunlun. People have this impression of Xinjiang as just deserts but it's actually one of the most mountainous regions on Earth. The TianShan mountains are especially interesting in terms of geography because they literally cut Xinjiang in two - North and South - with completely different climates, ecosystems and cultures on each side. We're currently standing North of the mountains which is the comparatively green and rainy part of Xinjiang. Yes, the dry landscape you see in the video is the *rainy* part of Xinjiang which gives you an idea of just how dry the South is! Our program for the next few days is to drive alongside the mountains until we reach the Ili valley, which is especially famous for its flower fields and lush green landscape - probably the last thing you'd expect to find in Xinjiang - due to its position between mountains that allows it to trap a lot of the region's moisture.

Arnaud Bertrand

24,137 просмотров • 7 дней назад

In recent days, videos of the Huajiang Bridge (花江), the world's highest bridge, have gone viral on X. Many observers couldn't help but note the irony: the R&D cost of a single US fighter jet is nearly equal to that of this monumental bridge in China. Last year, during a business trip through Xiangxi, I came across another engineering marvel that deserves no less attention-the Aizhai Bridge (矮寨). Built for a little more than half the cost of an F-22, it remains the world's largest canyon-spanning suspension bridge. Like Huajiang, Aizhai sits deep within rugged mountains, where transportation was once nearly impossible. Its name, Aizhai (literally "Low Village"), comes from the view looking down from the cliffs above. The settlement seemed so small and sunken, as if fate itself had pressed it beneath the surrounding peaks. In the 1930s, during WWII, China's southwest became a strategic rear area, and a complex network of mountain roads was built here. In 2004, China planned a 3,000-kilometer expressway stretching from Baotou in Inner Mongolia to Maoming in Guangdong, a road literally running from the Gobi desert to the South China Sea. The route was set to pass through this deep canyon, and a major debate arose: should they build tunnels or a bridge? After much study, engineers concluded that although tunneling could save several hundred million yuan, it would cause far greater environmental damage due to the area's fragile karst geology. During field surveys, engineers hiked across mountains and valleys. On one occasion, they encountered a farmer weeping uncontrollably. When they asked what had happened, they learned that her cow had just fallen off a cliff. At that moment, they understood more deeply how dangerous and isolated this region truly was, and why building a bridge here was not just an engineering challenge, but a moral imperative. In 2011, after four years of construction, the Aizhai Bridge was officially completed. Its deck rises 355 meters above the town of Aizhai below. What once required a thirty-minute detour along winding mountain roads can now be crossed in just one minute. The transformation brought by better transportation is about more than just speed. Once a remote, impoverished mountain town cut off from the outside world, it has become a vital artery connecting China's north and south. Travel time from western Hunan to Changsha has been reduced by four hours, and to Chongqing by eight, rewriting not only distances, but the very radius of people's lives and possibilities. Aizhai is "low" no more. Suspended among the clouds, the bridge shortens distances, lifts lives, and reshapes futures. One fighter jet defends airspace. One bridge redefines possibility. Watch the one-minute video I filmed while crossing the bridge.

Zhai Xiang

40,004 просмотров • 9 месяцев назад