The World s Most Dangerous Engineering Mistakes | Massive Engineering Mistakes

Check out some of the biggest and most dangerous engineering mistakes made throughout the world such as the Leaning Tower of Pisa and Venice s MOSE. Subscribe to Discovery UK for more great clips: http://www.youtube.com/subscription_center?add_user=DiscoveryTV Follow Discovery UK on Twitter: http://www.twitter.com/DiscoveryUK