China, workers carrying lime for cement to build Red Flag Canal in Linzhou

China - Linhsien, lime for cementThe Red Flag Canal (Hongqi Canal) is a 'canal and irrigation system in northern Henan and in Shanxi provinces, eastern China, constructed in 1960-69 to irrigate the poor and infertile area of Linxian county (now Linzhou municipality) in the foothills of the Taihang Mountains west of Anyang.'Hongqi Canal. (2007). Encyclopædia Britannica, Inc.ColorVolume 56, Page