| http://www.w3.org/ns/prov#value | - HistoryThe Great Wall of China is a series offortifications made of stone, brick, tampedearth, wood, and other materials, generallybuilt along an east-to-west line across thehistorical northern borders of China in part toprotect the Chinese Empire or its prototypicalstates against intrusions by various nomadicgroups or military incursions by variouswarlike peoples or forces.
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