Ma Huan, courtesy name Zongdao, pen name Mountain-woodcutter, was a Chinese explorer, translator, and travel writer who accompanied Admiral Zheng He on three of his seven expeditions to the Western Oc

Mao Kun map, usually referred to in modern Chinese sources as Zheng He's Navigation Map, is a set of navigation charts published in the Ming dynasty military treatise Wubei Zhi. The book was compiled