都江堰英文导游词 the dujiangyan dam, 45km north of chengdu, is an ancient technological wonder of the country
more than XX yers ago, li bing(250-200bc), as a local governor of the shu state, designed this water control and irrigation dam and organized thousands of local people to complete the project to check the mingjiang river
for many years the river,flooded the chengdu agricultural area and local farmers suffered a lot from the water disaster
due to the success of the project, the dam automatically diverts the mingjiang river and channels it into irrigation canals
for many years the dam has continued to make the most of the water conservancy works
expansion has been undertaken since 1949 and at present the system does a good job of irrigating farming land across 33counties of the western p