Named for the estuary it crosses—the Firth of Forth—the huge cantilever bridge in our image is an icon of Named for the estuary it crosses—the Firth of Forth—the huge cantilever bridge in our image is an icon of Scotland formed in steel. Completed in 1889, the Forth Bridge is considered the first major steel construction in Great Britain. An astounding 6.5 million rivets help hold the triple-towered bridge together as it carries rail traffic over the water. The phrase 'like painting the Forth Bridge' is typically used in the United Kingdom when referring to a never-ending task. And although keeping a fresh coat of paint on a structure as big as this one undoubtedly takes time, it's never been a process without end. But now even touch-ups will be rare, because in 2012 the last strokes of a new weather-resistant paint were applied to the Forth Bridge, and the vivid red color should last roughly 25 years...查看更多 查看更少
