Fig. 6From: Colourful treasure on Shanghai’s Bund: uncovering original paint finishes in the Chinese Banking Hall of the former HSBC Buildinga Detail seen through a magnifying glass, showing the original green paint layer exposed at the site. Where the upper darker finish was scratched off during exposure, the brighter, intense-green lower layer became visible. b Photomicrograph of a polished cross section of the same green colour layers. (Source: the author)Back to article page