... 1.The creation and exploitation of a work instrument 'displacement maps' 2.The visualization of the created landscape 'light-topography' 3. The dynamic conception of light throughout time 'light-urbanism'. The animation outlines the possibilities of light, displaying light not as a static material but as a dynamic substance. First, the grid deformations correspond to the variations of luminous intensity, secondly, it shows the variations of intensity according to time, the various cycles of activity (ex: the stadium during a soccer game…) and thirdly, it shows the contrast between a work on colors on the site and the existing 'orange fog'. >>>