Tianbaopi Located in the middle of Longjiang River in Fuqing City, Fujian Province, it was built in Tianbao period of Tang Dynasty (742-756). Tianbao North Dam is 216m long and 3.5m high, of which150m is an old dam built from Tang Dynasty to Ming Dynasty. It is the oldest existing large-scale water conservancy project in China, and it can still keep the local10.9 million mu of cultivated land full of vitality, which is really remarkable.
Longshou canal water diversion Luogu irrigation area. Located in Weinan City, Shaanxi Province, it was built during the period of Emperor Wu of the Han Dynasty and was the first in tunnel construction. Well canal method? Known as the first underground canal in the history of China, it has been handed down from generation to generation. During the Republic of China, the Luohui Canal was built on the basis of the Longshou Canal, and 743,000 mu of farmland has been irrigated so far.
Baishaxi 36 weir. Located in Jinhua City, Zhejiang Province, it is the oldest dam diversion irrigation project in Zhejiang Province. During the Eastern Han Dynasty, Baisha Weir was first built. Engineers skillfully used the local topography to build 36 weirs with a water level difference of 168 meters, with a span of 45 kilometers. At present, there are still 2 1 ancient weirs that continue to play the role of water diversion and irrigation, irrigating 278,000 mu of farmland.
Sangyuanwei was founded in the Northern Song Dynasty, spanning Nanhai and Shunde districts of Foshan City and surrounded by Beijiang and Xijiang levees. It is the largest water conservancy project in ancient China, and it plays an important role in irrigation, flood control and drainage, and water transportation. The total length of dikes is 64.8 kilometers, the reclamation area is 265.4 square kilometers, and the irrigation area of farmland is 62,000 mu.
After reading these, which scenic spot do you want to visit on your next trip? I want to go to the 36 weir of Baishaxi. It's a fairyland!