How accurately is the Great Pyramid aligned?
The Great Pyramid's sides are aligned almost exactly with true north, south, east, and west, a stunning feat of precision for ancient engineers.
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- What is caisson disease?
“Many Brooklyn Bridge workers got caisson disease, also called the bends.”
Reference: Smithsonian Magazine
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When did the Brooklyn Bridge open?
The Brooklyn Bridge opened in 1883 and was the first steel-wire suspension bridge.
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