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Map of the Upper River of the Qingming Dynasty Chen Zhijie Zheng Xianfeng Xi'an anti-epidemic map
04-07
![The great white version of "Qingming on the River Map", an artistic creation about the epidemic[fig]](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs=)