la luce che ho in mente in the gallery b of the milan triennale, explains the design ideas of marionanni and develops his search, continuous and sometimes extreme, for the right light. the instruments which narrate his thoughts are fire, light bulbs, and variable images bulbs (liv: lampadina a immagini variabili = variable images bulb). the backstage of a theatre defines the entrance in a special way. the liv room, the painter's room, the black room, the white room and so on to the corridor with huge sloping walls where a rain of letters wets the white umbrellas of visitors.