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Stream the full National Geographic Worlds Toughest Fixes Tower Bridge movie online for free in crystal-clear HD quality. No downloads required—just press play and enjoy the action, complete with English subtitles for an enhanced viewing experience.

Host Sean Riley meets the men and women who work in various high stake engineering industries. He observes and interacts with the workers as they fix problems with Boeing 757s, high voltage power lines, nuclear power plants and other machinery.