Chinese Mapped America Before 1430 (Harvard University Archive) Siu-Leung Lee 李兆良 2019.2.10 My research paper presented at the International Cartographic Conference (Washington DC, July 4, 2017), is now available from Harvard University archive, SAO/NASA ADS ...
美国人和加拿大人称为药圈( Medicine Wheel )的石头圈,是来自中国的二十八宿星图。它们散布在美国北部与加拿大之间各州省。粗算大大小小有几百个,有说超过一万,最古代有 4500 年到 5000 年。很多已经被破坏,不成型。最著名的,比较完整的在 Big Horn National Park , Wyoming 与 ValleyCity , N ...