| Line 34: |
Line 34: |
| | </blockquote> | | </blockquote> |
| | [[Image:Wall China.gif|left]] | | [[Image:Wall China.gif|left]] |
| − | As to whether the Wall can be seen from space, Apollo 12 astronaut Alan Bean says, "The only thing you can see from the Moon is a beautiful sphere, mostly white, some blue and patches of yellow, and every once in a while some green vegetation. No man-made object is visible at this scale." <ref>[http://www.nasa.gov/vision/space/workinginspace/great_wall.html NASA, ''China's Wall Less Great in View from Space'', 05.09.05 ]</ref> | + | As to whether the Wall can be seen from space, Apollo 12 astronaut Alan Bean says, "The only thing you can see from the Moon is a beautiful sphere, mostly white, some blue and patches of yellow, and every once in a while some green vegetation. No man-made object is visible at this scale." <ref>[https://www.nasa.gov/vision/space/workinginspace/great_wall.html NASA, ''China's Wall Less Great in View from Space'', 05.09.05 ]</ref> |
| | | | |
| − | According to [[NASA]] director [[Adnan Lulla]], "A lot has been said and written about how visible the wall is. In fact, it is very, very difficult to distinguish the Great Wall of China in astronaut photography, because the materials that were used in the wall are similar in color and texture to the materials of the land surrounding the wall -- the dirt." <ref>http://www.nasa.gov/vision/space/workinginspace/great_wall.html</ref> | + | According to [[NASA]] director [[Adnan Lulla]], "A lot has been said and written about how visible the wall is. In fact, it is very, very difficult to distinguish the Great Wall of China in astronaut photography, because the materials that were used in the wall are similar in color and texture to the materials of the land surrounding the wall -- the dirt." <ref>https://www.nasa.gov/vision/space/workinginspace/great_wall.html</ref> |
| | | | |
| | The Great Wall was listed as [[World Heritage]] by the [[UN]] in [[1987]].<ref>http://www.thegreatwall.com.cn/en</ref> Although long sections of the wall are now in ruins or have disappeared, it is still one of the more remarkable structures on earth and China's best-known monument. | | The Great Wall was listed as [[World Heritage]] by the [[UN]] in [[1987]].<ref>http://www.thegreatwall.com.cn/en</ref> Although long sections of the wall are now in ruins or have disappeared, it is still one of the more remarkable structures on earth and China's best-known monument. |
| Line 48: |
Line 48: |
| | | | |
| | == External links == | | == External links == |
| − | *[http://www.britannica.com/eb/article-9037891/Great-Wall-of-China Great Wall of China], ''Encyclopaedia Britannica''. | + | *[https://www.britannica.com/eb/article-9037891/Great-Wall-of-China Great Wall of China], ''Encyclopaedia Britannica''. |
| | | | |
| | [[Category:China]] | | [[Category:China]] |