As part of Normandy Impressionist 2013, Cosmo av realised « First Impression », a gigantic video-mapping onto the façade of the Cathedral of Rouen. Cosmo spent months planning this gigantic show and used 2 sources of videoprojection: 10 video projectors 20 000 lumens spred out over 2 strategic points of the Cathedral place, to reach the full coverage of the façade. from 1th June to 29th september 2013.