The canal was initiated during the Great Leap Forward and was built in the 1960s, with the main channel being completed in 1965.
Including the distribution branches, the irrigation system is claimed to have a total length of 1,500 km (930 mi).
[2][3] The Red Flag Canal was considered to be a great achievement of the Chinese workers in the 1960s and was the subject of several movies.
[4][5] The Red Flag Canal was featured in propaganda both internal and external to China, as an exemplar of what workers could achieve and local mass initiative.
[6][7][8][9] Linzhou (then called Linxian) and the Red Flag Canal were visited by the Italian film director Michelangelo Antonioni when he made his documentary film Chung Kuo, Cina about China during the Cultural Revolution in 1972.