A mirror on an illuminated base of satin glass. Thanks to the special chamfers, glass edges seem to emit light.
Links[1] http://dubielvitrum.pl/sites/default/files/styles/duze_800/public/allegro_web.jpg?itok=DqB5fFur [2] http://dubielvitrum.pl/sites/default/files/styles/duze_800/public/allegro_det_web.jpg?itok=UbK4L6yK