Bridging the Gap: How the...
BBC FOUR
Thursday 7 March 2019 23:00 - 00:00 (60 mins)
...Severn Bridge Was Built. 1/5. The inside story of the design and construction of 'the most perfect suspension bridge in the world', and how its unique slimline structure arose by accident. [S,AD]
Bridging the Gap: How the... may be available on playback
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