From the hilarious to the mind-boggling, from the deadly to the bank-busting, witness some of the most outrageous structural disasters and the genius resolutions to get things back on track.

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A stadium on the brink of collapse, an upside-down bridge, and a massive subway project in crisis are engineering catastrophes in need of repair, and experts use cutting-edge technology to reveal if they can be fixed.
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A stadium on the brink of collapse, an upside-down bridge, and a massive subway project in crisis are engineering catastrophes in need of repair, and experts use cutting-edge technology to reveal if they can be fixed.