Science Fair Project Encyclopedia
In 214 B.C., Qin Shi Huang, the First Emperor of the Qin Dynasty (221-206 B.C.), ordered the construction of a canal connecting the Xiang and Lijiang rivers. It is one of the three big water conservation projects of ancient China and the oldest existing canal in the world.
The three big water conservation projects in ancient China are:
- Lingqu Canal
- Dujiangyan Irrigation System
- Zhengguoqu Canal
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