Northern Song Dynasty Map

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Based on Wikipedia content that has been reviewed, edited, and republished. Original image by Yu Ninjie. Uploaded by Mark Cartwright, published on 22 September 2017. The copyright holder has published this content under the following license: Creative Commons Attribution-ShareAlike. This license lets others remix, tweak, and build upon a work even for commercial reasons, as long as they credit the author and license their new creations under the identical terms. When republishing on the web a hyperlink back to the original content source URL must be included. Please note that content linked from this page may have different licensing terms.