How to translate "Dujiangyan" in CET4 this year?

Dujiangyan is located on the Minjiang River in the west of Chengdu Plain, about 50 kilometers away from Chengdu, and was founded in the third century BC. It is unique in that it does not need a dam to regulate the water flow. For more than 2,000 years, Dujiangyan has been playing an effective role in flood control and irrigation, making Chengdu Plain one of the most important grain producing areas in China. Dujiangyan project embodies the wisdom of China people living in harmony with nature, and it is the oldest water conservancy project in the world. It is still in use today, and there is no dam to control water.

Dujiangyan was built in the 3rd century BC on the Minjiang River in the west of Chengdu Plain, about 50 kilometers away from Chengdu. The most impressive thing is to control water without dam. For more than 2000 years, it has played an effective role in flood control and irrigation, making Chengdu Plain a fertile ground for drought and flood and one of the most important grain producing areas in China. Dujiangyan is the oldest water conservancy project in the world, and it is still used to control water without a dam, which embodies the wisdom of China that man and nature live in harmony.