Siana festival (23-29 March 2009 in Evry, France) focused on creating a bridge between people and artists using software tools through expositions, conferences and workshops. Within this context, Julien gave a workshop on the use of code as a creative tool for artistic expression.

De Natura Rerum, whose title is borrowed from Lucretius'poem, is the adaptation of Gravity for the week of the French language @ DRAC Aquitaine (17-20 March 2009).

The video installation Gravity was exhibited on March 17th, 2009 as part of the E.Motion electronic festival in Bordeaux.
The show took place onto the Utopia movie theater's facade, on a popular square in the city center.