6. The Great Wall of China Is Visible From the Moon

The claim that the Great Wall of China is visible from the Moon is one of the most famous “facts” about human construction. It sounds impressive because the wall is incredibly long, stretching across mountains, deserts, and plains. The idea became a popular trivia answer because it makes the Great Wall seem almost superhuman.
But the Great Wall is not visible from the Moon with the naked eye. It is also very difficult to see from low Earth orbit without special conditions, good lighting, or magnification. The wall is long, but it is narrow and often blends into the surrounding landscape.

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