For the french “Fête Des Lumières 2013“, in Lyon, Tetro presented “grid” at the Hôtel de Région Rhône-Alpes. The monumental kinetic light installation was designed by Christopher Bauder Berliner, founder of Whitevoid and Robert Henke. The structure is made from 150 bars of motorized suspended LEDs, forming a dynamic grid 22 meters long. Floating triangles mesmerizingly move up and down and turn on and off according to the rhythm of music.