Richard Hammond's Engineering Connections - Season 2 Episode 5
Richard uncovers why an ancient Celtic boat-building technique was crucial to the development of the tallest road bridge in the world.
- ಪ್ರಕಾರ: Documentary
- ಸ್ಟುಡಿಯೋ: National Geographic Channel, BBC Two
- ಕೀವರ್ಡ್: engineering
- ಪಾತ್ರವರ್ಗ: Richard Hammond
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