How The 8th Wonder Of The World Failed Due To An Engineering Oversight |Massive Engineering Mistakes
The Kinzua bridge in Pennsylvania, USA, was once considered the tallest rail bridge in the world. However, a small but catastrophic mistake made the famous bridge fall from grace. Subscribe to Discovery UK for more great clips: http://www.youtube.com/subscription_c... Follow Discovery UK on Twitter: / discoveryuk Watch Discovery UK on SkyQ and Sky+ 125, Sky Glass & Stream 138, Sky Scotland 126, Sky ROI 125, Sky Glass & Stream ROI 134, Virgin Media 177.
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