[5] In 2015, Viviani produced and directed In Limbo,[6][7] a documentary essay telling the story of a digital spirit, performed by the French-Canadian writer Nancy Huston, dissolving into the memory of the Internet.
[12] The film premiered in Nov. 2015 as part of the international competition of CPH:Dox in Copenhagen and received several awards.
[13] In 2019, Viviani created with Pierre Alain Giraud the location-based immersive art installation Solastalgia.
Wearing a specific AR equipment, a group of 10 people explores a 400 square meter landscape of a deserted, post apocalyptic future where the last generations have decided to transform into ghosts, thanks to a machine, repeating the same gestures over and over again, haunting the planet forever.
[15] Icelandic visual artist Gabriela Fridriksduttir, composer Valgeir Sigurdson and choreographer Erna Omarsdottir collaborated on the piece.