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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- Did the Channel Tunnel go over budget?
“The Channel Tunnel went about 80% over budget.”
Reference: Getlink
More from this shelf
When did the Channel Tunnel open?
The Channel Tunnel between England and France opened in 1994, and its 38-kilometer undersea section is the longest in the world.
How much did the International Space Station cost?
The International Space Station cost about $150 billion, making it one of the most expensive objects ever built.