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[[Image:Great_wall.jpg|right|250px|thumb]]

[[Image:Great_wall.jpg|right|250px|thumb]]

The '''Great Wall of China''' is a very large [[wall]] located in [[China]]. It was constructed in ancient times to act as a barrier to movement.

The '''Great Wall of China''' is a long [[wall]] located in [[China]]. It was constructed in ancient times to act as a barrier to movement.

A long-standing legend holds that the Great Wall of China is the only [[human]] structure visible from space, or even that it is visible from the [[Moon]]. This legend probably originated with [[Richard Halliburton]]'s 1938 "Second Book of Marvels," which made this claim. In fact, it has been disputed as to whether it is even visible to the naked eye from low earth orbit. Some [[astronaut]]s who have looked for it have been able to see it, some have not. In 2005 an [[American]] astronaut (of [[Chinese]] descent) did succeed [[photograph]]ing it. <ref> [http://news.bbc.co.uk/1/hi/world/asia-pacific/4459311.stm | BBC News report of "China Daily" article 4/19/2005]</ref> There is no truth to the notion that there are ''few'' visible human structures; Cecil Adams comments

A long-standing legend holds that the Great Wall of China is the only [[human]] structure visible from space, or even that it is visible from the [[Moon]]. This legend probably originated with [[Richard Halliburton]]'s 1938 "Second Book of Marvels," which made this claim. In fact, it has been disputed as to whether it is even visible to the naked eye from low earth orbit. Some [[astronaut]]s who have looked for it have been able to see it, some have not. In 2005 an [[American]] astronaut (of [[Chinese]] descent) did succeed [[photograph]]ing it. <ref> [http://news.bbc.co.uk/1/hi/world/asia-pacific/4459311.stm | BBC News report of "China Daily" article 4/19/2005]</ref> There is no truth to the notion that there are ''few'' visible human structures; Cecil Adams comments