Hot Take: World's highest bridge transforms remote rural region

Take a glass elevator up 200 meters and step onto the world's highest bridge. At the top of one of its towers, you reach a café amid the clouds, suspended 800 meters above the river in a canyon called "the Earth's crack."

Welcome to the engineering marvel that is the Huajiang Grand Canyon Bridge in southwest China's Guizhou Province.

Cutting-edge technologies – from satellite navigation and drones to smart monitoring systems – went into the making of the high-altitude structure, which is also the world's longest-span bridge.

Inside its main cables, fiber-optic sensors enable continuous monitoring of temperature, humidity and stress, ensuring long-term safety.

The bridge has cut travel time across the canyon from two hours to just two minutes. Check out this week's Hot Take for more.

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