又 一 超 级 工 程 来 了 ！

Core Viewpoint - The "Yin Da Ji Min" project has been officially launched to address the water scarcity issues in the Chengdu Plain Economic Zone by diverting water from the Dadu River, enhancing the water supply for agriculture and urban areas in the region [2][3]. Group 1: Project Overview - The "Yin Da Ji Min" project will take 8 years to complete and will utilize natural elevation to transport water over 260 kilometers through tunnels and pipelines [2]. - By 2040, the project is expected to divert 1.389 billion cubic meters of water to the Dujiangyan irrigation area, increasing to 1.523 billion cubic meters by 2050 [3]. Group 2: Impact on Water Supply - The project will serve 43 counties in 8 cities, including Chengdu, Deyang, and Mianyang, potentially benefiting 34.13 million people and increasing irrigation area by 1.79 million acres while improving 5.91 million acres [3]. - The water supply guarantee rate for urban and industrial use in the Chengdu Plain will rise from 90% to 97%, while agricultural irrigation guarantee rates will reach 80% [3]. Group 3: Historical Context - The concept for the "Yin Da Ji Min" project was proposed as early as the 1950s and has undergone decades of investigation and validation before receiving national approval for construction [3].