Died in 2021

1987 Gavoi Il Serpente di Pietra

1991, Carloforte, the Recovery of the floating Plexus Black Box of the Columbina Reconciliation Project

1995, Pozzo di Santa Cristina, ArkofWell Being, Navigating Global Cultures Well Being Progetto Sardegna

2005, Dipartimento di Fisica, Universita di Cagliari, 100 Anniversario Albert Einstein

2011, Cagliari Plexus Metr'Art

2014 Plexus Cargo Art & Food without Borders, Australia

 Video

https://www.youtube.com/watch?v=UyHgXqwjI_M

2015 Plexus Cargo Art & Food without Borders, Il Lazzaretto, Cagliari

Video

https://www.dailymotion.com/video/x3hn90e

Digital Art Works for the Plexus Metr'Art 

2012- Rio de Jainero RIO+20 Plexus Metr'Art Open Call Save The Earth

2012 Plexus Metr'Art Open Call Bring your Light, Roma

2013 Plexus Metr'Art Open Call Human Rights dedicated Nelson Mandela

2018 Plexus Metr'Art La Farfalla il Ritorno dell'Arte nella Comunità, Macro-Asilo Roma

2021