South Canal in the Ming and Qing Dynasties
中国大运河技术史

        In the early years of Yongle in Ming Dynasty,a part of tribute grainfrom the lower reaches of the Yangtze River,which was transported byocean,entered ocean from the river,i.e.entered Baihe River afterleaving Zhigukou; the other part which was transported     （共 4981 字）     [阅读本文] >>