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This product uses TMDB and the TMDB APIs but is not endorsed, certified, or otherwise approved by TMDB.
Michael Buerk looks at the building of bridges around the nation during the era, visiting Clifton Suspension Bridge in Bristol to reveal the secret construction masterpiece that lay hidden in the structure's core for more than a century. He also discovers how the Tay Bridge disaster led to huge leaps in technology and how a new metal emerged as the bridge maker's building block of choice.
