Red Flag Canal source Zhanghe water, due to drought in recent years has basically dried up, there is not enough water to lead. At the same time the Zhanghe River, there are many water conservancy facilities, but the lack of unified planning and management, resulting in the downstream of the Red Flag Canal water.

Lin County, Henan Province has never been a resource-rich area, where there is a perennial shortage of water, three hundred years before and after hundreds of natural disasters, due to the lack of water, there have been a number of droughts, so that the starvation of the people, the people are easy to eat.

In order to solve the problem of daily water use, human beings have opened canals for drinking water here many times, however, these canals only briefly alleviate the people's plight, and cannot permanently solve the problem of lack of water for the whole county. For this reason, the people of Linxian County are ready to build an unprecedented large aqueduct - the Red Flag Canal - in this area.

Cultural significance:

The power of human beings is unimaginable, and just like "Yugong Yishan", human beings will always have the spirit of hard work and the courage to change the world.

Located in Henan, the Red Flag Canal is not only a 5A scenic spot, but also carries a thick history, which cohesion of the Chinese children "self-reliance, hard work, solidarity and cooperation, selfless dedication," the spirit of the song, however, this song of the spirit of the Chinese tune sung curbing the clouds and cracking the silk, 20 years later, but the change of tune has become a feast for all! The first time I saw the movie, it was a sad song.