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An NSF/International Digital Library Project. Editor in Chief: Ching-chih Chen, Simmons College


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6 images match your selection. Each page shows up to 200 images.
一号坑 - 入口处
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北京城墙 - 19世纪
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门槛
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东门城墙瓮城
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一号坑 - 木制席子 砖墙和泥土残跡
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瓮城
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