The Golden Gate Bridge - Sunday 17th Feb. 6.00pm on Prime

The Golden Gate Bridge has been under constant attack from treacherous currents, fierce winds and sea fog laden with corrosive salts. But the worst is still to come.

Seismic engineers predict a massive tremor will strike San Francisco’s iconic bridge. In a multi- million retrofit, state-of-the-art isolation bearings and absorption devices are being installed to soak up an earthquake’s damaging vibrations. The roadways and the cables they hang from are already new; now every rivet will be checked, over half the steel replaced and the concrete towers re-clad. It is the most complex and costly earthquake-proofing project ever undertaken on a bridge. But it is a race against time.

Sunday 17th February at 6.00pm on Prime

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