Great Wall of China - Wikipedia, the free encyclopedia - 4 views
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Emma Craig on 25 May 12The Great Wall of China is a series of fortifications made of stone, brick, tamped earth, wood, and other materials, generally built along an east-to-west line across the historical northern borders of China in part to protect the Chinese Empire or its prototypical states against intrusions by various nomadic groups or military incursions by various warlike peoples or forces. This has some helpful information towards the Great Wall of China.