Fig. 4From: A preliminary study of Liu Kang’s palette and the discovery and interpretation of hidden paint layersVisible light image and MA-XRF maps of Zuo La Lu showing the distribution of the detected elements. The greyscale corresponds to the intensity of the signal of each element; white equals high intensity, black means low intensity. Distribution maps of Ca, Zn and Pb reveal the hidden composition rotated at 90° anticlockwiseBack to article page