When you walk through the streets and alleys of the city, looking up at the skyscrapers; when you find yourself in an airport terminal, marveling at its grand scale; when you ride a high-speed train, feeling the rush of speed—have you ever wondered what force silently supports all of this behind the scenes? The answer […]
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On August 8, 2008, when Li Jiulin, the chief engineer of the National Stadium, watched 29 fireworks ‘footprints’ march along Beijing’s central axis toward the National Stadium, he let out a long breath.This super-large steel stadium project, which was the largest in the world at the time, used the most steel, and had the most