English: Pages from Ming Dynasty book Wu Bei Zhi (1628) (section of an ocean travel chart, believed to be based on Zheng He's expeditions)
中文:郑和航海图第一页(武备志)
Date
Source
中文:武備志/武备志
Author
Mao Yuanyi and an unknown cartographer, from Wubei Zhi, a 17th century work with maps dating to Zheng He's voyages of the 15th century
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