The design of this wallcovering, given by the juxtaposition of multi-coloured geometric shapes, recalls the reflections and the symmetry created by a kaleidoscope. The meeting between natural light and human invention recalls the theme of the great ballet Excelsior (1881) on music by the composer Romualdo Marenco: an allegorical journey where Light guides Civilization towards progress, revealing all inventions and scientific conquests that characterized the XIX century