
 Originating from the Han Ditch excavated by the Wu Kingdom of theSpring and Autumn Period in 486 BC,the Huaiyang Canal has ahistory of 2500 years.At the very beginning,it was an artificialchannel partially connected to natural rivers and lakes.With theimp (共 17415 字) [阅读本文] >>


说明: 本文档由创作者上传发布,版权归属创作者。若内容存在侵权,请点击