Fig. 6From: Saturnino Herrán’s portable murals: symbolism, material agency and conservationComparison between visible and hyperspectral images of Alegoría del trabajo and Alegoría de la construcción mural paintings. PC-IR image is composed as R: 1030 nm, G: 650 nm, B:535 nm. PCA-RGB image is composed as R: PC-5, G:PC-4, B:PC-2Back to article page