On this day in 1908, 117 years ago, having being built out from opposite sides of the Tees, the main span of Queen Alexandra Bridge's bowstring steelwork met seamlessly in the middle.
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Portals of longer tunnels
Portals of longer tunnels
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Discarded for a younger model next door, Colwall Old Tunnel is one of the country's longest disused bores at 1,567 yards.