i.light is a precast concrete panel that is able to transmit light. Obtained by bonding special resins in an innovative mortar, i.light not only lets natural and artificial light in but also allows seeing images or objects placed behind the panel which creates a surprisingly transparent effect.
http://www.italcementigroup.com/ENG
http://www.youtube.com/watch?v=5RhwXbPDaUY
