Monday, October 3, 2011

Great Wall of China

Great Wall of ChinaThe Great Wall of China is a series of stone and earthen fortifications in China, built, rebuilt, and maintained between the 5th century BC and the 16th century to protect the northern borders of the Chinese Empire during the rule of successive dynasties. It is the world's longest human-made structure, stretching over approximately 4,000 miles from Shanhai Pass to Lop Nur

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