Great Wall(China)
http://cdn.amanaimages.com/preview640/11002029686.jpg
The east part has about 3000 km and the west one from Shanhaikuan in Hebei Province to Jiayuguan
in Gansu.
In an announcement, they are 20000 km or more of the total extension.
It is said that it was built by the Shi Huangdi era of
Qin dynasty in 259 from B.C. to 210.
The sightseeing tower with
7-m to 9-m height and 11-m to 12-m
height is installed at intervals of
100 m with calcination brick.
Simatai Great Wall is located in the altitude of
986 meters at the highest position.
I wonder if people would make the wall
to the top of the mountain in the era when
it was hard to acquire the food.
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