John Lewis Night Image XuJohnny 2018 <p>The façade colour, for example, has significant contribution to the city image at daytime, but at night-time the focus of architecture colour may be degenerated or blighted as background. Instead, the lighting of buildings highlights the structure of construction and becomes a foreground in visual perception. Changing atmospheric conditions contributes to the variability of environmental visualization in day and night, which is also providing an opportunity for architects and urban designers to rethink lighting as design element to enhance the experience of colourscape. </p>