Asked by Ms.Kristi from USA | Mar. 26, 2009 09:04
About:Hecang Fortress in Dunhuang
I have a research project due and i want to do it on the great wall. every website however says the same thing...qin dynasty...keep out northern invaders...
so please answer my questions.
Who decided to build it?
how was it constructed?
what was it made of?
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