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archaeology The ancient city of the Song Dynasty Henan Shangqiu Ming dynasty
02-13
The ancient city of the Song Dynasty archaeology Shangqiu cultural relic
02-07
![Henan Archaeology 2021: Archaeological excavations and preliminary understanding of the ancient city wall of the Shangqiu Song Dynasty[fig]](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs=)
