Tay Bridge, Dundee, c 1890.
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This bridge was the second bridge to be built across the Firth of Tay. The first bridge collapsed on 28 December 1879, while a passenger train was crossing the bridge. All the crew and passengers were killed, an event which inspired a terrible poem by William McGonagall. At that time it was the longest bridge in the world, at 2 miles long. The bridge was rebuilt between 1882 and 1887.