China history photo copyrighted by: Brian McMorrow The history of the Great Wall is said to start from the Spring and Autumn Periods
when seven powerful states appeared at the same time. In order to defend themselves, they all built walls and stationed troops on the borders. At that time,
the total length of the wall had already reached 3,107 miles, belonging to different
states.
Find more The Great Wall images in the China gallery of Photorena.
All pics are under copyright of the photographer
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