From the small mind there is the concept of red flag canal, from this life know that people will win the sky, into the red flag canal is more shocking! In the special period of the 1960s, lack of clothing and food, poor materials, explosives, cement, lime and other essential materials were made by themselves, all with shoulder picks, steamed buns, and hard to open a 6.3 meter wide canal on the mountainside of Taihang Mountain, completely solved 400,000 mu of land irrigation and drinking water for people and animals! The main canal plate of the red flag canal is more than 70 kilometers along Taihang Mountain, and the gap is only 14.7 meters. To achieve a continuous slope of more than 70 kilometers, it is necessary to ensure that the gap of every 8 kilometers cannot exceed 1 meter. In the mountains of Chongshan, such a channel is opened in the sky, and the construction difficulty and accuracy can be imagined! The people are really great, people will win the sky! "Split the Taihang Mountains and the river through the mountains to Lin County people are so strong that they swear to arrange the river and the mountains again..."