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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- How long does it take to clean the Burj Khalifa's windows?
“Cleaning all the windows on the Burj Khalifa takes about three to four months.”
Reference: Burj Khalifa
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What is the tallest building in the world?
The Burj Khalifa in Dubai, at 828 meters, has been the tallest building in the world since 2010.
Is the Golden Gate Bridge always being painted?
Painters work on the Golden Gate Bridge year-round, touching up areas worn by salt air and weather.