Bridging the Gap: How the Severn...
BBC FOUR
Wednesday 8 August 2018 22:00 - 23:00 (60 mins)
...Bridge Was Built. 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. Also in HD. [AD,S]
Bridging the Gap: How the Severn... may be available on playback
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