Development of Domestic and Overseas Aqueducts and Caohe Aqueduct on Mid-Route of South-to-North Water Transfer Project

The aqueduct is the material evidence of mankind civilization development. This paper puts forward the development and the present situation of the domestic and overseas aqueducts through the investigation, the examination and the textual research, and gives the specific property and the position of the Caohe aqueduct in Mid-Route of South-to-North Water Transfer Project in the world by the synthetic comparison.