【正文】
top to bottom, the junior downstream, usually a few meters. Karez role is to avoid evaporation, the project is adapted to a dry climate characteristics of a great creation. Particularly praiseworthy is that the local people relying on their hands and simple tools, the hammer hits the Sham Tseng, EXCAVATED subsurface drainage, the mammoth projects, Structure clever and people alike. I would like to ask you recall, when we travel near the Turpan City, It was then green and luxuriant oasis on the fringe of the Gobi, you can see the site of the pile and the pile of soil round package, and orderly manner toward the which is the shaft mouth. If you a bird’seye view, those objects like a pearl necklace string Guitar, Turpan bedecked with the oldest still youthful glow place. 吐魯番坎兒井導游詞[英文] Turpan Karez English guides words(2) Karez reasons for the construction of the origin → Karez Members tourists Now let us talk about the reasons for the construction of Karez. As Xinjiang region to suffer from drought, evaporation, and Karez underground culvert, water evaporation and the small amount of flow stability be perennial gravity irrigation and the soil here is a calcareous clay, dug Karez very strong, not collapse. Mountain snow temperature is very low, if irrigation directly adverse to the growth of crops, and high surface temperature Turpan, After running through the snow desert temperature will increase, which is perfect for watering , the people of all ethnic groups in Xinjiang, with the longterm drought, the struggle of this invention Well Irrigation methods. A Karez is not a dry springs, a naturally Karez, constitutes the lifeblood of Fire Island and lifeline Xinjiang to make the scarcity of rainfall with water accumulation, so people living in Xinjiang as an indispensable Spring of Life. Turpan Karez on the origin have always been three versions : one is the Chinese Han Guan said drainage wells. In this view the Han Dynasty when it was invented by the “drainage wells” into Xinjiang, as is now the Karez. The secon