Paining on a wall of Angkor wat of a Building via DStretch using LRE Colourspace for Colour Decorrelation Stretching

This painting on a wall of Angkor Wat, produced centuries after construction, is likely a painting of Angkor Wat itself. From The Hidden Paintings of Angkor Wat, "Some of the most surprising images to be revealed through digital enhancement are the depictions of buildings and architectural forms, which are found in all three enclosures of the temple. Many of the paintings of buildings employ fine lines, which make their visibility difficult in normal circumstances. Some paintings appear to depict Angkor Wat itself, such as a scene of a Khmer-style stepped pyramid, the lower part of which can be interpreted as a mirror image of the temple when cast on a body of water..."

Image processed using LRE Colour Decorrelation Stretching via DStretch