[PAR] [TLE] Mao Kun map [SEP] 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 by Mao Yuanyi in 1621 and published in 1628; the name of the map refers to his grandfather Mao Kun () from whose library the map is likely to have originated.  The map is often regarded as a surviving document from the expeditions of Zheng He in addition to accounts written by Zheng's officers, such as "Yingyai Shenglan" by Ma Huan, "Xingcha Shenglan" by Fei Xin, and "Xiyang Fanguo Zhi" by Gong Zhen.  It is the earliest Chinese map to give an adequate representation of Southern Asia, Persia, Arabia and East Africa. [PAR] [TLE] Zheng He [SEP] Zheng He (1371–1433 or 1435), formerly romanized as Cheng Ho, was a Hui Chinese mariner, explorer, diplomat, fleet admiral, and court eunuch during China's early Ming dynasty.  He was originally born as Ma He in a Muslim Hui family, later adopted the conferred surname Zheng from Emperor Yongle.  Zheng commanded expeditionary voyages to Southeast Asia, South Asia, Western Asia, and East Africa from 1405 to 1433.  His larger ships stretched 120 meters or more in length.  These carried hundreds of sailors on four tiers of decks.
[PAR] [TLE] Mao Kun map [ SEP ] 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 by Mao Yuanyi in 1621 and published in 1628 ; the name of the map refers to his grandfather Mao Kun ( ) from whose library the map is likely to have originated . The map is often regarded as a surviving document from the expeditions of Zheng He in addition to accounts written by Zheng 's officers , such as " Yingyai Shenglan " by Ma Huan , " Xingcha Shenglan " by Fei Xin , and " Xiyang Fanguo Zhi " by Gong Zhen . It is the earliest Chinese map to give an adequate representation of Southern Asia , Persia , Arabia and East Africa . [PAR] [TLE] Zheng He [ SEP ] Zheng He ( 1371–1433 or 1435 ) , formerly romanized as Cheng Ho , was a Hui Chinese mariner , explorer , diplomat , fleet admiral , and court eunuch during China 's early Ming dynasty . He was originally born as Ma He in a Muslim Hui family , later adopted the conferred surname Zheng from Emperor Yongle . Zheng commanded expeditionary voyages to Southeast Asia , South Asia , Western Asia , and East Africa from 1405 to 1433 . His larger ships stretched 120 meters or more in length . These carried hundreds of sailors on four tiers of decks .
Mao Kun map is often seen as a surviving document from the expeditions of the mariner whose ships could stretch past what length?
Mao Kun map is often seen as a surviving document from the expeditions of the mariner whose ships could stretch past what length ?
120 meters
120 meters